Home / 5,557.38-8,337.39-1,661.91

Finding the Fourth Proportional to 5,557.38, 8,337.39 and 1,661.91

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Solution

The fourth proportional to 5,557.38, 8,337.39 and 1,661.91 is: 2,493.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.38 : 8,337.39 = 1,661.91 : x
  2. Step 2: Convert to fraction form
    5,557.38/8,337.39 = 1,661.91/x
  3. Step 3: Cross multiply
    5,557.38x = 8,337.39 × 1,661.91
  4. Step 4: Simplify right side
    5,557.38x = 13,855,991.81
  5. Step 5: Solve for x
    x = 13,855,991.81/5,557.38
  6. Step 6: Final answer
    x = 2,493.26

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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.