Home / 7,545.09-10,411.31-4,358.34

Finding the Fourth Proportional to 7,545.09, 10,411.31 and 4,358.34

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Solution

The fourth proportional to 7,545.09, 10,411.31 and 4,358.34 is: 6,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.09 : 10,411.31 = 4,358.34 : x
  2. Step 2: Convert to fraction form
    7,545.09/10,411.31 = 4,358.34/x
  3. Step 3: Cross multiply
    7,545.09x = 10,411.31 × 4,358.34
  4. Step 4: Simplify right side
    7,545.09x = 45,376,007.03
  5. Step 5: Solve for x
    x = 45,376,007.03/7,545.09
  6. Step 6: Final answer
    x = 6,013.98

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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.