Home / 5,617.74-8,424.54-1,918.96

Finding the Fourth Proportional to 5,617.74, 8,424.54 and 1,918.96

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Solution

The fourth proportional to 5,617.74, 8,424.54 and 1,918.96 is: 2,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.74 : 8,424.54 = 1,918.96 : x
  2. Step 2: Convert to fraction form
    5,617.74/8,424.54 = 1,918.96/x
  3. Step 3: Cross multiply
    5,617.74x = 8,424.54 × 1,918.96
  4. Step 4: Simplify right side
    5,617.74x = 16,166,355.28
  5. Step 5: Solve for x
    x = 16,166,355.28/5,617.74
  6. Step 6: Final answer
    x = 2,877.73

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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.