Home / 5,840.20-8,760.30-5,613.40

Finding the Fourth Proportional to 5,840.20, 8,760.30 and 5,613.40

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Solution

The fourth proportional to 5,840.20, 8,760.30 and 5,613.40 is: 8,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.20 : 8,760.30 = 5,613.40 : x
  2. Step 2: Convert to fraction form
    5,840.20/8,760.30 = 5,613.40/x
  3. Step 3: Cross multiply
    5,840.20x = 8,760.30 × 5,613.40
  4. Step 4: Simplify right side
    5,840.20x = 49,175,068.02
  5. Step 5: Solve for x
    x = 49,175,068.02/5,840.20
  6. Step 6: Final answer
    x = 8,420.10

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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.