Home / 5,610.65-8,417.05-2,147.63

Finding the Fourth Proportional to 5,610.65, 8,417.05 and 2,147.63

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Solution

The fourth proportional to 5,610.65, 8,417.05 and 2,147.63 is: 3,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.65 : 8,417.05 = 2,147.63 : x
  2. Step 2: Convert to fraction form
    5,610.65/8,417.05 = 2,147.63/x
  3. Step 3: Cross multiply
    5,610.65x = 8,417.05 × 2,147.63
  4. Step 4: Simplify right side
    5,610.65x = 18,076,661.64
  5. Step 5: Solve for x
    x = 18,076,661.64/5,610.65
  6. Step 6: Final answer
    x = 3,221.85

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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.