Home / 5,635.12-8,452.28-1,937.20

Finding the Fourth Proportional to 5,635.12, 8,452.28 and 1,937.20

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Solution

The fourth proportional to 5,635.12, 8,452.28 and 1,937.20 is: 2,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.12 : 8,452.28 = 1,937.20 : x
  2. Step 2: Convert to fraction form
    5,635.12/8,452.28 = 1,937.20/x
  3. Step 3: Cross multiply
    5,635.12x = 8,452.28 × 1,937.20
  4. Step 4: Simplify right side
    5,635.12x = 16,373,756.82
  5. Step 5: Solve for x
    x = 16,373,756.82/5,635.12
  6. Step 6: Final answer
    x = 2,905.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.