Home / 10,277.55-15,416.28-2,486.39

Finding the Fourth Proportional to 10,277.55, 15,416.28 and 2,486.39

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Solution

The fourth proportional to 10,277.55, 15,416.28 and 2,486.39 is: 3,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.55 : 15,416.28 = 2,486.39 : x
  2. Step 2: Convert to fraction form
    10,277.55/15,416.28 = 2,486.39/x
  3. Step 3: Cross multiply
    10,277.55x = 15,416.28 × 2,486.39
  4. Step 4: Simplify right side
    10,277.55x = 38,330,807.35
  5. Step 5: Solve for x
    x = 38,330,807.35/10,277.55
  6. Step 6: Final answer
    x = 3,729.57

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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.