Home / 6,538.40-9,007.73-4,545.49

Finding the Fourth Proportional to 6,538.40, 9,007.73 and 4,545.49

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Solution

The fourth proportional to 6,538.40, 9,007.73 and 4,545.49 is: 6,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,538.40 : 9,007.73 = 4,545.49 : x
  2. Step 2: Convert to fraction form
    6,538.40/9,007.73 = 4,545.49/x
  3. Step 3: Cross multiply
    6,538.40x = 9,007.73 × 4,545.49
  4. Step 4: Simplify right side
    6,538.40x = 40,944,546.64
  5. Step 5: Solve for x
    x = 40,944,546.64/6,538.40
  6. Step 6: Final answer
    x = 6,262.17

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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.