Home / 5,080.16-7,621.68-1,617.68

Finding the Fourth Proportional to 5,080.16, 7,621.68 and 1,617.68

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Solution

The fourth proportional to 5,080.16, 7,621.68 and 1,617.68 is: 2,426.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.16 : 7,621.68 = 1,617.68 : x
  2. Step 2: Convert to fraction form
    5,080.16/7,621.68 = 1,617.68/x
  3. Step 3: Cross multiply
    5,080.16x = 7,621.68 × 1,617.68
  4. Step 4: Simplify right side
    5,080.16x = 12,329,439.30
  5. Step 5: Solve for x
    x = 12,329,439.30/5,080.16
  6. Step 6: Final answer
    x = 2,426.98

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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.