Home / 4,378.47-6,042.18-2,389.02

Finding the Fourth Proportional to 4,378.47, 6,042.18 and 2,389.02

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Solution

The fourth proportional to 4,378.47, 6,042.18 and 2,389.02 is: 3,296.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.47 : 6,042.18 = 2,389.02 : x
  2. Step 2: Convert to fraction form
    4,378.47/6,042.18 = 2,389.02/x
  3. Step 3: Cross multiply
    4,378.47x = 6,042.18 × 2,389.02
  4. Step 4: Simplify right side
    4,378.47x = 14,434,888.86
  5. Step 5: Solve for x
    x = 14,434,888.86/4,378.47
  6. Step 6: Final answer
    x = 3,296.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.