Home / 8,290.32-12,423.33-6,200.52

Finding the Fourth Proportional to 8,290.32, 12,423.33 and 6,200.52

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Solution

The fourth proportional to 8,290.32, 12,423.33 and 6,200.52 is: 9,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.32 : 12,423.33 = 6,200.52 : x
  2. Step 2: Convert to fraction form
    8,290.32/12,423.33 = 6,200.52/x
  3. Step 3: Cross multiply
    8,290.32x = 12,423.33 × 6,200.52
  4. Step 4: Simplify right side
    8,290.32x = 77,031,106.13
  5. Step 5: Solve for x
    x = 77,031,106.13/8,290.32
  6. Step 6: Final answer
    x = 9,291.69

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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.