Home / 7,529.50-10,391.08-4,545.28

Finding the Fourth Proportional to 7,529.50, 10,391.08 and 4,545.28

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Solution

The fourth proportional to 7,529.50, 10,391.08 and 4,545.28 is: 6,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.50 : 10,391.08 = 4,545.28 : x
  2. Step 2: Convert to fraction form
    7,529.50/10,391.08 = 4,545.28/x
  3. Step 3: Cross multiply
    7,529.50x = 10,391.08 × 4,545.28
  4. Step 4: Simplify right side
    7,529.50x = 47,230,368.10
  5. Step 5: Solve for x
    x = 47,230,368.10/7,529.50
  6. Step 6: Final answer
    x = 6,272.71

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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.