Home / 7,159.24-10,739.58-2,478.61

Finding the Fourth Proportional to 7,159.24, 10,739.58 and 2,478.61

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Solution

The fourth proportional to 7,159.24, 10,739.58 and 2,478.61 is: 3,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.24 : 10,739.58 = 2,478.61 : x
  2. Step 2: Convert to fraction form
    7,159.24/10,739.58 = 2,478.61/x
  3. Step 3: Cross multiply
    7,159.24x = 10,739.58 × 2,478.61
  4. Step 4: Simplify right side
    7,159.24x = 26,619,230.38
  5. Step 5: Solve for x
    x = 26,619,230.38/7,159.24
  6. Step 6: Final answer
    x = 3,718.16

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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.