Home / 5,050.58-7,549.28-4,387.20

Finding the Fourth Proportional to 5,050.58, 7,549.28 and 4,387.20

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Solution

The fourth proportional to 5,050.58, 7,549.28 and 4,387.20 is: 6,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.58 : 7,549.28 = 4,387.20 : x
  2. Step 2: Convert to fraction form
    5,050.58/7,549.28 = 4,387.20/x
  3. Step 3: Cross multiply
    5,050.58x = 7,549.28 × 4,387.20
  4. Step 4: Simplify right side
    5,050.58x = 33,120,201.22
  5. Step 5: Solve for x
    x = 33,120,201.22/5,050.58
  6. Step 6: Final answer
    x = 6,557.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.