Home / 8,889.90-13,345.65-4,505.10

Finding the Fourth Proportional to 8,889.90, 13,345.65 and 4,505.10

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Solution

The fourth proportional to 8,889.90, 13,345.65 and 4,505.10 is: 6,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.90 : 13,345.65 = 4,505.10 : x
  2. Step 2: Convert to fraction form
    8,889.90/13,345.65 = 4,505.10/x
  3. Step 3: Cross multiply
    8,889.90x = 13,345.65 × 4,505.10
  4. Step 4: Simplify right side
    8,889.90x = 60,123,487.82
  5. Step 5: Solve for x
    x = 60,123,487.82/8,889.90
  6. Step 6: Final answer
    x = 6,763.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.