Home / 5,279.77-7,277.71-4,158.93

Finding the Fourth Proportional to 5,279.77, 7,277.71 and 4,158.93

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Solution

The fourth proportional to 5,279.77, 7,277.71 and 4,158.93 is: 5,732.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.77 : 7,277.71 = 4,158.93 : x
  2. Step 2: Convert to fraction form
    5,279.77/7,277.71 = 4,158.93/x
  3. Step 3: Cross multiply
    5,279.77x = 7,277.71 × 4,158.93
  4. Step 4: Simplify right side
    5,279.77x = 30,267,486.45
  5. Step 5: Solve for x
    x = 30,267,486.45/5,279.77
  6. Step 6: Final answer
    x = 5,732.73

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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.