Home / 6,515.24-8,988.91-4,158.14

Finding the Fourth Proportional to 6,515.24, 8,988.91 and 4,158.14

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Solution

The fourth proportional to 6,515.24, 8,988.91 and 4,158.14 is: 5,736.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.24 : 8,988.91 = 4,158.14 : x
  2. Step 2: Convert to fraction form
    6,515.24/8,988.91 = 4,158.14/x
  3. Step 3: Cross multiply
    6,515.24x = 8,988.91 × 4,158.14
  4. Step 4: Simplify right side
    6,515.24x = 37,377,090.89
  5. Step 5: Solve for x
    x = 37,377,090.89/6,515.24
  6. Step 6: Final answer
    x = 5,736.88

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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.