Home / 5,537.74-7,641.90-3,019.78

Finding the Fourth Proportional to 5,537.74, 7,641.90 and 3,019.78

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Solution

The fourth proportional to 5,537.74, 7,641.90 and 3,019.78 is: 4,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.74 : 7,641.90 = 3,019.78 : x
  2. Step 2: Convert to fraction form
    5,537.74/7,641.90 = 3,019.78/x
  3. Step 3: Cross multiply
    5,537.74x = 7,641.90 × 3,019.78
  4. Step 4: Simplify right side
    5,537.74x = 23,076,856.78
  5. Step 5: Solve for x
    x = 23,076,856.78/5,537.74
  6. Step 6: Final answer
    x = 4,167.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.