Home / 9,124.11-12,591.72-5,145.23

Finding the Fourth Proportional to 9,124.11, 12,591.72 and 5,145.23

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Solution

The fourth proportional to 9,124.11, 12,591.72 and 5,145.23 is: 7,100.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.11 : 12,591.72 = 5,145.23 : x
  2. Step 2: Convert to fraction form
    9,124.11/12,591.72 = 5,145.23/x
  3. Step 3: Cross multiply
    9,124.11x = 12,591.72 × 5,145.23
  4. Step 4: Simplify right side
    9,124.11x = 64,787,326.97
  5. Step 5: Solve for x
    x = 64,787,326.97/9,124.11
  6. Step 6: Final answer
    x = 7,100.67

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Double scale
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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.