Home / 4,659.59-6,430.69-3,478.61

Finding the Fourth Proportional to 4,659.59, 6,430.69 and 3,478.61

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Solution

The fourth proportional to 4,659.59, 6,430.69 and 3,478.61 is: 4,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.59 : 6,430.69 = 3,478.61 : x
  2. Step 2: Convert to fraction form
    4,659.59/6,430.69 = 3,478.61/x
  3. Step 3: Cross multiply
    4,659.59x = 6,430.69 × 3,478.61
  4. Step 4: Simplify right side
    4,659.59x = 22,369,882.97
  5. Step 5: Solve for x
    x = 22,369,882.97/4,659.59
  6. Step 6: Final answer
    x = 4,800.82

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1.5x scale

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.