Home / 5,306.22-7,921.14-4,921.74

Finding the Fourth Proportional to 5,306.22, 7,921.14 and 4,921.74

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Solution

The fourth proportional to 5,306.22, 7,921.14 and 4,921.74 is: 7,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.22 : 7,921.14 = 4,921.74 : x
  2. Step 2: Convert to fraction form
    5,306.22/7,921.14 = 4,921.74/x
  3. Step 3: Cross multiply
    5,306.22x = 7,921.14 × 4,921.74
  4. Step 4: Simplify right side
    5,306.22x = 38,985,791.58
  5. Step 5: Solve for x
    x = 38,985,791.58/5,306.22
  6. Step 6: Final answer
    x = 7,347.19

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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.