Home / 8,760.60-13,147.62-3,570.84

Finding the Fourth Proportional to 8,760.60, 13,147.62 and 3,570.84

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Solution

The fourth proportional to 8,760.60, 13,147.62 and 3,570.84 is: 5,359.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.60 : 13,147.62 = 3,570.84 : x
  2. Step 2: Convert to fraction form
    8,760.60/13,147.62 = 3,570.84/x
  3. Step 3: Cross multiply
    8,760.60x = 13,147.62 × 3,570.84
  4. Step 4: Simplify right side
    8,760.60x = 46,948,047.40
  5. Step 5: Solve for x
    x = 46,948,047.40/8,760.60
  6. Step 6: Final answer
    x = 5,359.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.