Home / 5,290.13-7,301.15-3,051.56

Finding the Fourth Proportional to 5,290.13, 7,301.15 and 3,051.56

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Solution

The fourth proportional to 5,290.13, 7,301.15 and 3,051.56 is: 4,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.13 : 7,301.15 = 3,051.56 : x
  2. Step 2: Convert to fraction form
    5,290.13/7,301.15 = 3,051.56/x
  3. Step 3: Cross multiply
    5,290.13x = 7,301.15 × 3,051.56
  4. Step 4: Simplify right side
    5,290.13x = 22,279,900.29
  5. Step 5: Solve for x
    x = 22,279,900.29/5,290.13
  6. Step 6: Final answer
    x = 4,211.60

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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.