Home / 7,159.28-10,737.70-1,894.35

Finding the Fourth Proportional to 7,159.28, 10,737.70 and 1,894.35

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Solution

The fourth proportional to 7,159.28, 10,737.70 and 1,894.35 is: 2,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.28 : 10,737.70 = 1,894.35 : x
  2. Step 2: Convert to fraction form
    7,159.28/10,737.70 = 1,894.35/x
  3. Step 3: Cross multiply
    7,159.28x = 10,737.70 × 1,894.35
  4. Step 4: Simplify right side
    7,159.28x = 20,340,962.00
  5. Step 5: Solve for x
    x = 20,340,962.00/7,159.28
  6. Step 6: Final answer
    x = 2,841.20

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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.