Home / 8,765.77-12,096.84-4,988.75

Finding the Fourth Proportional to 8,765.77, 12,096.84 and 4,988.75

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Solution

The fourth proportional to 8,765.77, 12,096.84 and 4,988.75 is: 6,884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.77 : 12,096.84 = 4,988.75 : x
  2. Step 2: Convert to fraction form
    8,765.77/12,096.84 = 4,988.75/x
  3. Step 3: Cross multiply
    8,765.77x = 12,096.84 × 4,988.75
  4. Step 4: Simplify right side
    8,765.77x = 60,348,153.83
  5. Step 5: Solve for x
    x = 60,348,153.83/8,765.77
  6. Step 6: Final answer
    x = 6,884.52

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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.