Home / 8,045.20-11,102.52-4,508.40

Finding the Fourth Proportional to 8,045.20, 11,102.52 and 4,508.40

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Solution

The fourth proportional to 8,045.20, 11,102.52 and 4,508.40 is: 6,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.20 : 11,102.52 = 4,508.40 : x
  2. Step 2: Convert to fraction form
    8,045.20/11,102.52 = 4,508.40/x
  3. Step 3: Cross multiply
    8,045.20x = 11,102.52 × 4,508.40
  4. Step 4: Simplify right side
    8,045.20x = 50,054,601.17
  5. Step 5: Solve for x
    x = 50,054,601.17/8,045.20
  6. Step 6: Final answer
    x = 6,221.67

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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.