Home / 8,756.95-12,084.58-4,778.06

Finding the Fourth Proportional to 8,756.95, 12,084.58 and 4,778.06

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Solution

The fourth proportional to 8,756.95, 12,084.58 and 4,778.06 is: 6,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.95 : 12,084.58 = 4,778.06 : x
  2. Step 2: Convert to fraction form
    8,756.95/12,084.58 = 4,778.06/x
  3. Step 3: Cross multiply
    8,756.95x = 12,084.58 × 4,778.06
  4. Step 4: Simplify right side
    8,756.95x = 57,740,806.16
  5. Step 5: Solve for x
    x = 57,740,806.16/8,756.95
  6. Step 6: Final answer
    x = 6,593.71

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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.