Home / 9,010.28-12,422.94-6,888.44

Finding the Fourth Proportional to 9,010.28, 12,422.94 and 6,888.44

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Solution

The fourth proportional to 9,010.28, 12,422.94 and 6,888.44 is: 9,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.28 : 12,422.94 = 6,888.44 : x
  2. Step 2: Convert to fraction form
    9,010.28/12,422.94 = 6,888.44/x
  3. Step 3: Cross multiply
    9,010.28x = 12,422.94 × 6,888.44
  4. Step 4: Simplify right side
    9,010.28x = 85,574,676.81
  5. Step 5: Solve for x
    x = 85,574,676.81/9,010.28
  6. Step 6: Final answer
    x = 9,497.45

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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.