Home / 7,606.25-10,490.83-6,545.78

Finding the Fourth Proportional to 7,606.25, 10,490.83 and 6,545.78

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Solution

The fourth proportional to 7,606.25, 10,490.83 and 6,545.78 is: 9,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,606.25 : 10,490.83 = 6,545.78 : x
  2. Step 2: Convert to fraction form
    7,606.25/10,490.83 = 6,545.78/x
  3. Step 3: Cross multiply
    7,606.25x = 10,490.83 × 6,545.78
  4. Step 4: Simplify right side
    7,606.25x = 68,670,665.20
  5. Step 5: Solve for x
    x = 68,670,665.20/7,606.25
  6. Step 6: Final answer
    x = 9,028.19

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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.