Home / 5,397.10-8,080.58-2,758.92

Finding the Fourth Proportional to 5,397.10, 8,080.58 and 2,758.92

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Solution

The fourth proportional to 5,397.10, 8,080.58 and 2,758.92 is: 4,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.10 : 8,080.58 = 2,758.92 : x
  2. Step 2: Convert to fraction form
    5,397.10/8,080.58 = 2,758.92/x
  3. Step 3: Cross multiply
    5,397.10x = 8,080.58 × 2,758.92
  4. Step 4: Simplify right side
    5,397.10x = 22,293,673.77
  5. Step 5: Solve for x
    x = 22,293,673.77/5,397.10
  6. Step 6: Final answer
    x = 4,130.68

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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.