Home / 6,545.48-9,030.72-3,712.64

Finding the Fourth Proportional to 6,545.48, 9,030.72 and 3,712.64

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Solution

The fourth proportional to 6,545.48, 9,030.72 and 3,712.64 is: 5,122.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.48 : 9,030.72 = 3,712.64 : x
  2. Step 2: Convert to fraction form
    6,545.48/9,030.72 = 3,712.64/x
  3. Step 3: Cross multiply
    6,545.48x = 9,030.72 × 3,712.64
  4. Step 4: Simplify right side
    6,545.48x = 33,527,767.15
  5. Step 5: Solve for x
    x = 33,527,767.15/6,545.48
  6. Step 6: Final answer
    x = 5,122.28

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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.