Home / 5,720.90-8,577.70-2,432.30

Finding the Fourth Proportional to 5,720.90, 8,577.70 and 2,432.30

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Solution

The fourth proportional to 5,720.90, 8,577.70 and 2,432.30 is: 3,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.90 : 8,577.70 = 2,432.30 : x
  2. Step 2: Convert to fraction form
    5,720.90/8,577.70 = 2,432.30/x
  3. Step 3: Cross multiply
    5,720.90x = 8,577.70 × 2,432.30
  4. Step 4: Simplify right side
    5,720.90x = 20,863,539.71
  5. Step 5: Solve for x
    x = 20,863,539.71/5,720.90
  6. Step 6: Final answer
    x = 3,646.90

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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.