Home / 7,505.91-10,357.56-4,148.87

Finding the Fourth Proportional to 7,505.91, 10,357.56 and 4,148.87

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Solution

The fourth proportional to 7,505.91, 10,357.56 and 4,148.87 is: 5,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.91 : 10,357.56 = 4,148.87 : x
  2. Step 2: Convert to fraction form
    7,505.91/10,357.56 = 4,148.87/x
  3. Step 3: Cross multiply
    7,505.91x = 10,357.56 × 4,148.87
  4. Step 4: Simplify right side
    7,505.91x = 42,972,169.96
  5. Step 5: Solve for x
    x = 42,972,169.96/7,505.91
  6. Step 6: Final answer
    x = 5,725.11

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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.