Home / 4,315.47-6,460.56-3,279.61

Finding the Fourth Proportional to 4,315.47, 6,460.56 and 3,279.61

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Solution

The fourth proportional to 4,315.47, 6,460.56 and 3,279.61 is: 4,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.47 : 6,460.56 = 3,279.61 : x
  2. Step 2: Convert to fraction form
    4,315.47/6,460.56 = 3,279.61/x
  3. Step 3: Cross multiply
    4,315.47x = 6,460.56 × 3,279.61
  4. Step 4: Simplify right side
    4,315.47x = 21,188,088.92
  5. Step 5: Solve for x
    x = 21,188,088.92/4,315.47
  6. Step 6: Final answer
    x = 4,909.80

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1.5x scale

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.