Home / 5,154.95-7,731.57-1,456.34

Finding the Fourth Proportional to 5,154.95, 7,731.57 and 1,456.34

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Solution

The fourth proportional to 5,154.95, 7,731.57 and 1,456.34 is: 2,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.95 : 7,731.57 = 1,456.34 : x
  2. Step 2: Convert to fraction form
    5,154.95/7,731.57 = 1,456.34/x
  3. Step 3: Cross multiply
    5,154.95x = 7,731.57 × 1,456.34
  4. Step 4: Simplify right side
    5,154.95x = 11,259,752.36
  5. Step 5: Solve for x
    x = 11,259,752.36/5,154.95
  6. Step 6: Final answer
    x = 2,184.26

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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.