Home / 8,746.80-12,074.67-5,604.78

Finding the Fourth Proportional to 8,746.80, 12,074.67 and 5,604.78

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Solution

The fourth proportional to 8,746.80, 12,074.67 and 5,604.78 is: 7,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.80 : 12,074.67 = 5,604.78 : x
  2. Step 2: Convert to fraction form
    8,746.80/12,074.67 = 5,604.78/x
  3. Step 3: Cross multiply
    8,746.80x = 12,074.67 × 5,604.78
  4. Step 4: Simplify right side
    8,746.80x = 67,675,868.92
  5. Step 5: Solve for x
    x = 67,675,868.92/8,746.80
  6. Step 6: Final answer
    x = 7,737.21

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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.