Home / 7,257.33-10,881.90-6,638.13

Finding the Fourth Proportional to 7,257.33, 10,881.90 and 6,638.13

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Solution

The fourth proportional to 7,257.33, 10,881.90 and 6,638.13 is: 9,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.33 : 10,881.90 = 6,638.13 : x
  2. Step 2: Convert to fraction form
    7,257.33/10,881.90 = 6,638.13/x
  3. Step 3: Cross multiply
    7,257.33x = 10,881.90 × 6,638.13
  4. Step 4: Simplify right side
    7,257.33x = 72,235,466.85
  5. Step 5: Solve for x
    x = 72,235,466.85/7,257.33
  6. Step 6: Final answer
    x = 9,953.45

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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.