Home / 8,868.59-12,228.33-6,626.51

Finding the Fourth Proportional to 8,868.59, 12,228.33 and 6,626.51

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Solution

The fourth proportional to 8,868.59, 12,228.33 and 6,626.51 is: 9,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.59 : 12,228.33 = 6,626.51 : x
  2. Step 2: Convert to fraction form
    8,868.59/12,228.33 = 6,626.51/x
  3. Step 3: Cross multiply
    8,868.59x = 12,228.33 × 6,626.51
  4. Step 4: Simplify right side
    8,868.59x = 81,031,151.03
  5. Step 5: Solve for x
    x = 81,031,151.03/8,868.59
  6. Step 6: Final answer
    x = 9,136.87

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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.