Home / 5,240.53-7,859.62-1,543.02

Finding the Fourth Proportional to 5,240.53, 7,859.62 and 1,543.02

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Solution

The fourth proportional to 5,240.53, 7,859.62 and 1,543.02 is: 2,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.53 : 7,859.62 = 1,543.02 : x
  2. Step 2: Convert to fraction form
    5,240.53/7,859.62 = 1,543.02/x
  3. Step 3: Cross multiply
    5,240.53x = 7,859.62 × 1,543.02
  4. Step 4: Simplify right side
    5,240.53x = 12,127,550.85
  5. Step 5: Solve for x
    x = 12,127,550.85/5,240.53
  6. Step 6: Final answer
    x = 2,314.18

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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.