Home / 5,498.68-7,588.10-3,140.80

Finding the Fourth Proportional to 5,498.68, 7,588.10 and 3,140.80

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Solution

The fourth proportional to 5,498.68, 7,588.10 and 3,140.80 is: 4,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.68 : 7,588.10 = 3,140.80 : x
  2. Step 2: Convert to fraction form
    5,498.68/7,588.10 = 3,140.80/x
  3. Step 3: Cross multiply
    5,498.68x = 7,588.10 × 3,140.80
  4. Step 4: Simplify right side
    5,498.68x = 23,832,704.48
  5. Step 5: Solve for x
    x = 23,832,704.48/5,498.68
  6. Step 6: Final answer
    x = 4,334.26

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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.