Home / 8,253.42-11,389.74-4,718.70

Finding the Fourth Proportional to 8,253.42, 11,389.74 and 4,718.70

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Solution

The fourth proportional to 8,253.42, 11,389.74 and 4,718.70 is: 6,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.42 : 11,389.74 = 4,718.70 : x
  2. Step 2: Convert to fraction form
    8,253.42/11,389.74 = 4,718.70/x
  3. Step 3: Cross multiply
    8,253.42x = 11,389.74 × 4,718.70
  4. Step 4: Simplify right side
    8,253.42x = 53,744,766.14
  5. Step 5: Solve for x
    x = 53,744,766.14/8,253.42
  6. Step 6: Final answer
    x = 6,511.82

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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.