Home / 5,159.04-7,738.20-1,871.52

Finding the Fourth Proportional to 5,159.04, 7,738.20 and 1,871.52

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Solution

The fourth proportional to 5,159.04, 7,738.20 and 1,871.52 is: 2,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.04 : 7,738.20 = 1,871.52 : x
  2. Step 2: Convert to fraction form
    5,159.04/7,738.20 = 1,871.52/x
  3. Step 3: Cross multiply
    5,159.04x = 7,738.20 × 1,871.52
  4. Step 4: Simplify right side
    5,159.04x = 14,482,196.06
  5. Step 5: Solve for x
    x = 14,482,196.06/5,159.04
  6. Step 6: Final answer
    x = 2,807.15

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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.