Home / 3,613.09-5,389.11-3,503.71

Finding the Fourth Proportional to 3,613.09, 5,389.11 and 3,503.71

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Solution

The fourth proportional to 3,613.09, 5,389.11 and 3,503.71 is: 5,225.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.09 : 5,389.11 = 3,503.71 : x
  2. Step 2: Convert to fraction form
    3,613.09/5,389.11 = 3,503.71/x
  3. Step 3: Cross multiply
    3,613.09x = 5,389.11 × 3,503.71
  4. Step 4: Simplify right side
    3,613.09x = 18,881,869.84
  5. Step 5: Solve for x
    x = 18,881,869.84/3,613.09
  6. Step 6: Final answer
    x = 5,225.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.