Home / 5,515.50-8,268.60-2,393.16

Finding the Fourth Proportional to 5,515.50, 8,268.60 and 2,393.16

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Solution

The fourth proportional to 5,515.50, 8,268.60 and 2,393.16 is: 3,587.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.50 : 8,268.60 = 2,393.16 : x
  2. Step 2: Convert to fraction form
    5,515.50/8,268.60 = 2,393.16/x
  3. Step 3: Cross multiply
    5,515.50x = 8,268.60 × 2,393.16
  4. Step 4: Simplify right side
    5,515.50x = 19,788,060.74
  5. Step 5: Solve for x
    x = 19,788,060.74/5,515.50
  6. Step 6: Final answer
    x = 3,587.72

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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.