Home / 4,088.78-6,132.76-1,315.54

Finding the Fourth Proportional to 4,088.78, 6,132.76 and 1,315.54

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Solution

The fourth proportional to 4,088.78, 6,132.76 and 1,315.54 is: 1,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.78 : 6,132.76 = 1,315.54 : x
  2. Step 2: Convert to fraction form
    4,088.78/6,132.76 = 1,315.54/x
  3. Step 3: Cross multiply
    4,088.78x = 6,132.76 × 1,315.54
  4. Step 4: Simplify right side
    4,088.78x = 8,067,853.85
  5. Step 5: Solve for x
    x = 8,067,853.85/4,088.78
  6. Step 6: Final answer
    x = 1,973.17

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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.