Home / 5,160.04-7,739.70-1,872.52

Finding the Fourth Proportional to 5,160.04, 7,739.70 and 1,872.52

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Solution

The fourth proportional to 5,160.04, 7,739.70 and 1,872.52 is: 2,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.04 : 7,739.70 = 1,872.52 : x
  2. Step 2: Convert to fraction form
    5,160.04/7,739.70 = 1,872.52/x
  3. Step 3: Cross multiply
    5,160.04x = 7,739.70 × 1,872.52
  4. Step 4: Simplify right side
    5,160.04x = 14,492,743.04
  5. Step 5: Solve for x
    x = 14,492,743.04/5,160.04
  6. Step 6: Final answer
    x = 2,808.65

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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.