Home / 7,219.85-9,962.66-4,032.87

Finding the Fourth Proportional to 7,219.85, 9,962.66 and 4,032.87

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Solution

The fourth proportional to 7,219.85, 9,962.66 and 4,032.87 is: 5,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.85 : 9,962.66 = 4,032.87 : x
  2. Step 2: Convert to fraction form
    7,219.85/9,962.66 = 4,032.87/x
  3. Step 3: Cross multiply
    7,219.85x = 9,962.66 × 4,032.87
  4. Step 4: Simplify right side
    7,219.85x = 40,178,092.47
  5. Step 5: Solve for x
    x = 40,178,092.47/7,219.85
  6. Step 6: Final answer
    x = 5,564.95

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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.