Home / 5,624.04-7,761.84-4,678.17

Finding the Fourth Proportional to 5,624.04, 7,761.84 and 4,678.17

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Solution

The fourth proportional to 5,624.04, 7,761.84 and 4,678.17 is: 6,456.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.04 : 7,761.84 = 4,678.17 : x
  2. Step 2: Convert to fraction form
    5,624.04/7,761.84 = 4,678.17/x
  3. Step 3: Cross multiply
    5,624.04x = 7,761.84 × 4,678.17
  4. Step 4: Simplify right side
    5,624.04x = 36,311,207.03
  5. Step 5: Solve for x
    x = 36,311,207.03/5,624.04
  6. Step 6: Final answer
    x = 6,456.43

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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.