Home / 4,613.20-6,915.68-2,146.68

Finding the Fourth Proportional to 4,613.20, 6,915.68 and 2,146.68

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Solution

The fourth proportional to 4,613.20, 6,915.68 and 2,146.68 is: 3,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.20 : 6,915.68 = 2,146.68 : x
  2. Step 2: Convert to fraction form
    4,613.20/6,915.68 = 2,146.68/x
  3. Step 3: Cross multiply
    4,613.20x = 6,915.68 × 2,146.68
  4. Step 4: Simplify right side
    4,613.20x = 14,845,729.81
  5. Step 5: Solve for x
    x = 14,845,729.81/4,613.20
  6. Step 6: Final answer
    x = 3,218.10

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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.