Home / 4,088.40-6,131.46-1,455.54

Finding the Fourth Proportional to 4,088.40, 6,131.46 and 1,455.54

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Solution

The fourth proportional to 4,088.40, 6,131.46 and 1,455.54 is: 2,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.40 : 6,131.46 = 1,455.54 : x
  2. Step 2: Convert to fraction form
    4,088.40/6,131.46 = 1,455.54/x
  3. Step 3: Cross multiply
    4,088.40x = 6,131.46 × 1,455.54
  4. Step 4: Simplify right side
    4,088.40x = 8,924,585.29
  5. Step 5: Solve for x
    x = 8,924,585.29/4,088.40
  6. Step 6: Final answer
    x = 2,182.90

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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.