Home / 8,868.88-12,233.63-5,281.45

Finding the Fourth Proportional to 8,868.88, 12,233.63 and 5,281.45

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Solution

The fourth proportional to 8,868.88, 12,233.63 and 5,281.45 is: 7,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.88 : 12,233.63 = 5,281.45 : x
  2. Step 2: Convert to fraction form
    8,868.88/12,233.63 = 5,281.45/x
  3. Step 3: Cross multiply
    8,868.88x = 12,233.63 × 5,281.45
  4. Step 4: Simplify right side
    8,868.88x = 64,611,217.59
  5. Step 5: Solve for x
    x = 64,611,217.59/8,868.88
  6. Step 6: Final answer
    x = 7,285.16

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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.