Home / 10,726.40-16,089.60-2,935.20

Finding the Fourth Proportional to 10,726.40, 16,089.60 and 2,935.20

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Solution

The fourth proportional to 10,726.40, 16,089.60 and 2,935.20 is: 4,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726.40 : 16,089.60 = 2,935.20 : x
  2. Step 2: Convert to fraction form
    10,726.40/16,089.60 = 2,935.20/x
  3. Step 3: Cross multiply
    10,726.40x = 16,089.60 × 2,935.20
  4. Step 4: Simplify right side
    10,726.40x = 47,226,193.92
  5. Step 5: Solve for x
    x = 47,226,193.92/10,726.40
  6. Step 6: Final answer
    x = 4,402.80

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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.