Home / 8,671.38-11,966.58-5,527.50

Finding the Fourth Proportional to 8,671.38, 11,966.58 and 5,527.50

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Solution

The fourth proportional to 8,671.38, 11,966.58 and 5,527.50 is: 7,628.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.38 : 11,966.58 = 5,527.50 : x
  2. Step 2: Convert to fraction form
    8,671.38/11,966.58 = 5,527.50/x
  3. Step 3: Cross multiply
    8,671.38x = 11,966.58 × 5,527.50
  4. Step 4: Simplify right side
    8,671.38x = 66,145,270.95
  5. Step 5: Solve for x
    x = 66,145,270.95/8,671.38
  6. Step 6: Final answer
    x = 7,628.00

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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.