Home / 5,617.60-8,426.40-2,107.06

Finding the Fourth Proportional to 5,617.60, 8,426.40 and 2,107.06

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Solution

The fourth proportional to 5,617.60, 8,426.40 and 2,107.06 is: 3,160.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.60 : 8,426.40 = 2,107.06 : x
  2. Step 2: Convert to fraction form
    5,617.60/8,426.40 = 2,107.06/x
  3. Step 3: Cross multiply
    5,617.60x = 8,426.40 × 2,107.06
  4. Step 4: Simplify right side
    5,617.60x = 17,754,930.38
  5. Step 5: Solve for x
    x = 17,754,930.38/5,617.60
  6. Step 6: Final answer
    x = 3,160.59

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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.