Home / 8,240.95-12,358.87-2,975.28

Finding the Fourth Proportional to 8,240.95, 12,358.87 and 2,975.28

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Solution

The fourth proportional to 8,240.95, 12,358.87 and 2,975.28 is: 4,462.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.95 : 12,358.87 = 2,975.28 : x
  2. Step 2: Convert to fraction form
    8,240.95/12,358.87 = 2,975.28/x
  3. Step 3: Cross multiply
    8,240.95x = 12,358.87 × 2,975.28
  4. Step 4: Simplify right side
    8,240.95x = 36,771,098.73
  5. Step 5: Solve for x
    x = 36,771,098.73/8,240.95
  6. Step 6: Final answer
    x = 4,462.00

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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.