Home / 7,374.90-10,177.17-4,017.78

Finding the Fourth Proportional to 7,374.90, 10,177.17 and 4,017.78

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Solution

The fourth proportional to 7,374.90, 10,177.17 and 4,017.78 is: 5,544.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.90 : 10,177.17 = 4,017.78 : x
  2. Step 2: Convert to fraction form
    7,374.90/10,177.17 = 4,017.78/x
  3. Step 3: Cross multiply
    7,374.90x = 10,177.17 × 4,017.78
  4. Step 4: Simplify right side
    7,374.90x = 40,889,630.08
  5. Step 5: Solve for x
    x = 40,889,630.08/7,374.90
  6. Step 6: Final answer
    x = 5,544.43

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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.