Home / 5,520.02-7,615.40-3,394.87

Finding the Fourth Proportional to 5,520.02, 7,615.40 and 3,394.87

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Solution

The fourth proportional to 5,520.02, 7,615.40 and 3,394.87 is: 4,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.02 : 7,615.40 = 3,394.87 : x
  2. Step 2: Convert to fraction form
    5,520.02/7,615.40 = 3,394.87/x
  3. Step 3: Cross multiply
    5,520.02x = 7,615.40 × 3,394.87
  4. Step 4: Simplify right side
    5,520.02x = 25,853,293.00
  5. Step 5: Solve for x
    x = 25,853,293.00/5,520.02
  6. Step 6: Final answer
    x = 4,683.55

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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.