Home / 9,036.78-13,557.15-2,711.39

Finding the Fourth Proportional to 9,036.78, 13,557.15 and 2,711.39

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Solution

The fourth proportional to 9,036.78, 13,557.15 and 2,711.39 is: 4,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036.78 : 13,557.15 = 2,711.39 : x
  2. Step 2: Convert to fraction form
    9,036.78/13,557.15 = 2,711.39/x
  3. Step 3: Cross multiply
    9,036.78x = 13,557.15 × 2,711.39
  4. Step 4: Simplify right side
    9,036.78x = 36,758,639.60
  5. Step 5: Solve for x
    x = 36,758,639.60/9,036.78
  6. Step 6: Final answer
    x = 4,067.67

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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.