Home / 8,929.91-13,372.98-6,290.93

Finding the Fourth Proportional to 8,929.91, 13,372.98 and 6,290.93

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Solution

The fourth proportional to 8,929.91, 13,372.98 and 6,290.93 is: 9,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.91 : 13,372.98 = 6,290.93 : x
  2. Step 2: Convert to fraction form
    8,929.91/13,372.98 = 6,290.93/x
  3. Step 3: Cross multiply
    8,929.91x = 13,372.98 × 6,290.93
  4. Step 4: Simplify right side
    8,929.91x = 84,128,437.80
  5. Step 5: Solve for x
    x = 84,128,437.80/8,929.91
  6. Step 6: Final answer
    x = 9,420.98

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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.