Home / 8,868.42-12,228.30-6,626.52

Finding the Fourth Proportional to 8,868.42, 12,228.30 and 6,626.52

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Solution

The fourth proportional to 8,868.42, 12,228.30 and 6,626.52 is: 9,137.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.42 : 12,228.30 = 6,626.52 : x
  2. Step 2: Convert to fraction form
    8,868.42/12,228.30 = 6,626.52/x
  3. Step 3: Cross multiply
    8,868.42x = 12,228.30 × 6,626.52
  4. Step 4: Simplify right side
    8,868.42x = 81,031,074.52
  5. Step 5: Solve for x
    x = 81,031,074.52/8,868.42
  6. Step 6: Final answer
    x = 9,137.04

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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.