Home / 5,436.63-8,154.05-1,540.13

Finding the Fourth Proportional to 5,436.63, 8,154.05 and 1,540.13

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Solution

The fourth proportional to 5,436.63, 8,154.05 and 1,540.13 is: 2,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.63 : 8,154.05 = 1,540.13 : x
  2. Step 2: Convert to fraction form
    5,436.63/8,154.05 = 1,540.13/x
  3. Step 3: Cross multiply
    5,436.63x = 8,154.05 × 1,540.13
  4. Step 4: Simplify right side
    5,436.63x = 12,558,248.56
  5. Step 5: Solve for x
    x = 12,558,248.56/5,436.63
  6. Step 6: Final answer
    x = 2,309.93

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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.