Home / 8,417.68-12,626.50-2,868.36

Finding the Fourth Proportional to 8,417.68, 12,626.50 and 2,868.36

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Solution

The fourth proportional to 8,417.68, 12,626.50 and 2,868.36 is: 4,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.68 : 12,626.50 = 2,868.36 : x
  2. Step 2: Convert to fraction form
    8,417.68/12,626.50 = 2,868.36/x
  3. Step 3: Cross multiply
    8,417.68x = 12,626.50 × 2,868.36
  4. Step 4: Simplify right side
    8,417.68x = 36,217,347.54
  5. Step 5: Solve for x
    x = 36,217,347.54/8,417.68
  6. Step 6: Final answer
    x = 4,302.53

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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.