Home / 7,148.55-9,864.27-4,124.01

Finding the Fourth Proportional to 7,148.55, 9,864.27 and 4,124.01

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Solution

The fourth proportional to 7,148.55, 9,864.27 and 4,124.01 is: 5,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.55 : 9,864.27 = 4,124.01 : x
  2. Step 2: Convert to fraction form
    7,148.55/9,864.27 = 4,124.01/x
  3. Step 3: Cross multiply
    7,148.55x = 9,864.27 × 4,124.01
  4. Step 4: Simplify right side
    7,148.55x = 40,680,348.12
  5. Step 5: Solve for x
    x = 40,680,348.12/7,148.55
  6. Step 6: Final answer
    x = 5,690.71

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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.