Home / 10,427.07-15,646.64-3,857.79

Finding the Fourth Proportional to 10,427.07, 15,646.64 and 3,857.79

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Solution

The fourth proportional to 10,427.07, 15,646.64 and 3,857.79 is: 5,788.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.07 : 15,646.64 = 3,857.79 : x
  2. Step 2: Convert to fraction form
    10,427.07/15,646.64 = 3,857.79/x
  3. Step 3: Cross multiply
    10,427.07x = 15,646.64 × 3,857.79
  4. Step 4: Simplify right side
    10,427.07x = 60,361,432.04
  5. Step 5: Solve for x
    x = 60,361,432.04/10,427.07
  6. Step 6: Final answer
    x = 5,788.92

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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.