Home / 8,182.17-11,291.45-4,645.40

Finding the Fourth Proportional to 8,182.17, 11,291.45 and 4,645.40

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Solution

The fourth proportional to 8,182.17, 11,291.45 and 4,645.40 is: 6,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.17 : 11,291.45 = 4,645.40 : x
  2. Step 2: Convert to fraction form
    8,182.17/11,291.45 = 4,645.40/x
  3. Step 3: Cross multiply
    8,182.17x = 11,291.45 × 4,645.40
  4. Step 4: Simplify right side
    8,182.17x = 52,453,222.15
  5. Step 5: Solve for x
    x = 52,453,222.15/8,182.17
  6. Step 6: Final answer
    x = 6,410.67

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.