Home / 10,479.52-15,725.36-3,910.24

Finding the Fourth Proportional to 10,479.52, 15,725.36 and 3,910.24

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Solution

The fourth proportional to 10,479.52, 15,725.36 and 3,910.24 is: 5,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.52 : 15,725.36 = 3,910.24 : x
  2. Step 2: Convert to fraction form
    10,479.52/15,725.36 = 3,910.24/x
  3. Step 3: Cross multiply
    10,479.52x = 15,725.36 × 3,910.24
  4. Step 4: Simplify right side
    10,479.52x = 61,489,931.69
  5. Step 5: Solve for x
    x = 61,489,931.69/10,479.52
  6. Step 6: Final answer
    x = 5,867.63

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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.