Home / 7,288.13-10,929.40-2,607.26

Finding the Fourth Proportional to 7,288.13, 10,929.40 and 2,607.26

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Solution

The fourth proportional to 7,288.13, 10,929.40 and 2,607.26 is: 3,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.13 : 10,929.40 = 2,607.26 : x
  2. Step 2: Convert to fraction form
    7,288.13/10,929.40 = 2,607.26/x
  3. Step 3: Cross multiply
    7,288.13x = 10,929.40 × 2,607.26
  4. Step 4: Simplify right side
    7,288.13x = 28,495,787.44
  5. Step 5: Solve for x
    x = 28,495,787.44/7,288.13
  6. Step 6: Final answer
    x = 3,909.89

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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.