Home / 6,916.35-9,545.13-3,933.12

Finding the Fourth Proportional to 6,916.35, 9,545.13 and 3,933.12

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Solution

The fourth proportional to 6,916.35, 9,545.13 and 3,933.12 is: 5,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.35 : 9,545.13 = 3,933.12 : x
  2. Step 2: Convert to fraction form
    6,916.35/9,545.13 = 3,933.12/x
  3. Step 3: Cross multiply
    6,916.35x = 9,545.13 × 3,933.12
  4. Step 4: Simplify right side
    6,916.35x = 37,542,141.71
  5. Step 5: Solve for x
    x = 37,542,141.71/6,916.35
  6. Step 6: Final answer
    x = 5,428.03

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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.