Home / 6,424.06-8,864.10-3,591.30

Finding the Fourth Proportional to 6,424.06, 8,864.10 and 3,591.30

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Solution

The fourth proportional to 6,424.06, 8,864.10 and 3,591.30 is: 4,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.06 : 8,864.10 = 3,591.30 : x
  2. Step 2: Convert to fraction form
    6,424.06/8,864.10 = 3,591.30/x
  3. Step 3: Cross multiply
    6,424.06x = 8,864.10 × 3,591.30
  4. Step 4: Simplify right side
    6,424.06x = 31,833,642.33
  5. Step 5: Solve for x
    x = 31,833,642.33/6,424.06
  6. Step 6: Final answer
    x = 4,955.38

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Half scale
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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.