Home / 7,159.28-10,737.70-1,894.36

Finding the Fourth Proportional to 7,159.28, 10,737.70 and 1,894.36

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Solution

The fourth proportional to 7,159.28, 10,737.70 and 1,894.36 is: 2,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.28 : 10,737.70 = 1,894.36 : x
  2. Step 2: Convert to fraction form
    7,159.28/10,737.70 = 1,894.36/x
  3. Step 3: Cross multiply
    7,159.28x = 10,737.70 × 1,894.36
  4. Step 4: Simplify right side
    7,159.28x = 20,341,069.37
  5. Step 5: Solve for x
    x = 20,341,069.37/7,159.28
  6. Step 6: Final answer
    x = 2,841.22

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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.