Home / 8,358.47-12,528.87-3,090.10

Finding the Fourth Proportional to 8,358.47, 12,528.87 and 3,090.10

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Solution

The fourth proportional to 8,358.47, 12,528.87 and 3,090.10 is: 4,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,358.47 : 12,528.87 = 3,090.10 : x
  2. Step 2: Convert to fraction form
    8,358.47/12,528.87 = 3,090.10/x
  3. Step 3: Cross multiply
    8,358.47x = 12,528.87 × 3,090.10
  4. Step 4: Simplify right side
    8,358.47x = 38,715,426.00
  5. Step 5: Solve for x
    x = 38,715,426.00/8,358.47
  6. Step 6: Final answer
    x = 4,631.88

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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.