Home / 4,867.50-6,718.20-3,098.70

Finding the Fourth Proportional to 4,867.50, 6,718.20 and 3,098.70

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Solution

The fourth proportional to 4,867.50, 6,718.20 and 3,098.70 is: 4,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.50 : 6,718.20 = 3,098.70 : x
  2. Step 2: Convert to fraction form
    4,867.50/6,718.20 = 3,098.70/x
  3. Step 3: Cross multiply
    4,867.50x = 6,718.20 × 3,098.70
  4. Step 4: Simplify right side
    4,867.50x = 20,817,686.34
  5. Step 5: Solve for x
    x = 20,817,686.34/4,867.50
  6. Step 6: Final answer
    x = 4,276.87

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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.