Home / 5,253.23-7,880.30-1,742.49

Finding the Fourth Proportional to 5,253.23, 7,880.30 and 1,742.49

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Solution

The fourth proportional to 5,253.23, 7,880.30 and 1,742.49 is: 2,613.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.23 : 7,880.30 = 1,742.49 : x
  2. Step 2: Convert to fraction form
    5,253.23/7,880.30 = 1,742.49/x
  3. Step 3: Cross multiply
    5,253.23x = 7,880.30 × 1,742.49
  4. Step 4: Simplify right side
    5,253.23x = 13,731,348.30
  5. Step 5: Solve for x
    x = 13,731,348.30/5,253.23
  6. Step 6: Final answer
    x = 2,613.89

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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.