Home / 6,242.13-8,587.22-5,396.49

Finding the Fourth Proportional to 6,242.13, 8,587.22 and 5,396.49

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Solution

The fourth proportional to 6,242.13, 8,587.22 and 5,396.49 is: 7,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.13 : 8,587.22 = 5,396.49 : x
  2. Step 2: Convert to fraction form
    6,242.13/8,587.22 = 5,396.49/x
  3. Step 3: Cross multiply
    6,242.13x = 8,587.22 × 5,396.49
  4. Step 4: Simplify right side
    6,242.13x = 46,340,819.88
  5. Step 5: Solve for x
    x = 46,340,819.88/6,242.13
  6. Step 6: Final answer
    x = 7,423.88

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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.