Home / 7,081.68-10,613.88-2,459.28

Finding the Fourth Proportional to 7,081.68, 10,613.88 and 2,459.28

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Solution

The fourth proportional to 7,081.68, 10,613.88 and 2,459.28 is: 3,685.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.68 : 10,613.88 = 2,459.28 : x
  2. Step 2: Convert to fraction form
    7,081.68/10,613.88 = 2,459.28/x
  3. Step 3: Cross multiply
    7,081.68x = 10,613.88 × 2,459.28
  4. Step 4: Simplify right side
    7,081.68x = 26,102,502.81
  5. Step 5: Solve for x
    x = 26,102,502.81/7,081.68
  6. Step 6: Final answer
    x = 3,685.92

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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.