Home / 5,656.52-8,485.86-1,760.78

Finding the Fourth Proportional to 5,656.52, 8,485.86 and 1,760.78

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Solution

The fourth proportional to 5,656.52, 8,485.86 and 1,760.78 is: 2,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.52 : 8,485.86 = 1,760.78 : x
  2. Step 2: Convert to fraction form
    5,656.52/8,485.86 = 1,760.78/x
  3. Step 3: Cross multiply
    5,656.52x = 8,485.86 × 1,760.78
  4. Step 4: Simplify right side
    5,656.52x = 14,941,732.57
  5. Step 5: Solve for x
    x = 14,941,732.57/5,656.52
  6. Step 6: Final answer
    x = 2,641.51

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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.