Home / 4,320.43-6,479.01-1,397.95

Finding the Fourth Proportional to 4,320.43, 6,479.01 and 1,397.95

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Solution

The fourth proportional to 4,320.43, 6,479.01 and 1,397.95 is: 2,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.43 : 6,479.01 = 1,397.95 : x
  2. Step 2: Convert to fraction form
    4,320.43/6,479.01 = 1,397.95/x
  3. Step 3: Cross multiply
    4,320.43x = 6,479.01 × 1,397.95
  4. Step 4: Simplify right side
    4,320.43x = 9,057,332.03
  5. Step 5: Solve for x
    x = 9,057,332.03/4,320.43
  6. Step 6: Final answer
    x = 2,096.40

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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.