Home / 6,525.17-9,781.31-4,178.49

Finding the Fourth Proportional to 6,525.17, 9,781.31 and 4,178.49

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Solution

The fourth proportional to 6,525.17, 9,781.31 and 4,178.49 is: 6,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525.17 : 9,781.31 = 4,178.49 : x
  2. Step 2: Convert to fraction form
    6,525.17/9,781.31 = 4,178.49/x
  3. Step 3: Cross multiply
    6,525.17x = 9,781.31 × 4,178.49
  4. Step 4: Simplify right side
    6,525.17x = 40,871,106.02
  5. Step 5: Solve for x
    x = 40,871,106.02/6,525.17
  6. Step 6: Final answer
    x = 6,263.61

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.