Home / 8,214.46-11,335.35-4,677.55

Finding the Fourth Proportional to 8,214.46, 11,335.35 and 4,677.55

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Solution

The fourth proportional to 8,214.46, 11,335.35 and 4,677.55 is: 6,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.46 : 11,335.35 = 4,677.55 : x
  2. Step 2: Convert to fraction form
    8,214.46/11,335.35 = 4,677.55/x
  3. Step 3: Cross multiply
    8,214.46x = 11,335.35 × 4,677.55
  4. Step 4: Simplify right side
    8,214.46x = 53,021,666.39
  5. Step 5: Solve for x
    x = 53,021,666.39/8,214.46
  6. Step 6: Final answer
    x = 6,454.67

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Half scale
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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.