Home / 8,759.47-12,088.32-4,780.84

Finding the Fourth Proportional to 8,759.47, 12,088.32 and 4,780.84

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Solution

The fourth proportional to 8,759.47, 12,088.32 and 4,780.84 is: 6,597.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.47 : 12,088.32 = 4,780.84 : x
  2. Step 2: Convert to fraction form
    8,759.47/12,088.32 = 4,780.84/x
  3. Step 3: Cross multiply
    8,759.47x = 12,088.32 × 4,780.84
  4. Step 4: Simplify right side
    8,759.47x = 57,792,293.57
  5. Step 5: Solve for x
    x = 57,792,293.57/8,759.47
  6. Step 6: Final answer
    x = 6,597.69

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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.