Home / 5,558.81-7,671.34-3,040.86

Finding the Fourth Proportional to 5,558.81, 7,671.34 and 3,040.86

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Solution

The fourth proportional to 5,558.81, 7,671.34 and 3,040.86 is: 4,196.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.81 : 7,671.34 = 3,040.86 : x
  2. Step 2: Convert to fraction form
    5,558.81/7,671.34 = 3,040.86/x
  3. Step 3: Cross multiply
    5,558.81x = 7,671.34 × 3,040.86
  4. Step 4: Simplify right side
    5,558.81x = 23,327,446.16
  5. Step 5: Solve for x
    x = 23,327,446.16/5,558.81
  6. Step 6: Final answer
    x = 4,196.48

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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.