Home / 5,279.02-7,276.67-4,158.18

Finding the Fourth Proportional to 5,279.02, 7,276.67 and 4,158.18

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Solution

The fourth proportional to 5,279.02, 7,276.67 and 4,158.18 is: 5,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.02 : 7,276.67 = 4,158.18 : x
  2. Step 2: Convert to fraction form
    5,279.02/7,276.67 = 4,158.18/x
  3. Step 3: Cross multiply
    5,279.02x = 7,276.67 × 4,158.18
  4. Step 4: Simplify right side
    5,279.02x = 30,257,703.66
  5. Step 5: Solve for x
    x = 30,257,703.66/5,279.02
  6. Step 6: Final answer
    x = 5,731.69

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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.