Home / 5,040.69-6,947.10-4,099.59

Finding the Fourth Proportional to 5,040.69, 6,947.10 and 4,099.59

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Solution

The fourth proportional to 5,040.69, 6,947.10 and 4,099.59 is: 5,650.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.69 : 6,947.10 = 4,099.59 : x
  2. Step 2: Convert to fraction form
    5,040.69/6,947.10 = 4,099.59/x
  3. Step 3: Cross multiply
    5,040.69x = 6,947.10 × 4,099.59
  4. Step 4: Simplify right side
    5,040.69x = 28,480,261.69
  5. Step 5: Solve for x
    x = 28,480,261.69/5,040.69
  6. Step 6: Final answer
    x = 5,650.07

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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.