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Finding the Fourth Proportional to 5,373.41, 7,415.18 and 2,983.24

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Solution

The fourth proportional to 5,373.41, 7,415.18 and 2,983.24 is: 4,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.41 : 7,415.18 = 2,983.24 : x
  2. Step 2: Convert to fraction form
    5,373.41/7,415.18 = 2,983.24/x
  3. Step 3: Cross multiply
    5,373.41x = 7,415.18 × 2,983.24
  4. Step 4: Simplify right side
    5,373.41x = 22,121,261.58
  5. Step 5: Solve for x
    x = 22,121,261.58/5,373.41
  6. Step 6: Final answer
    x = 4,116.80

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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.