Home / 10,655.60-15,982.86-2,864.48

Finding the Fourth Proportional to 10,655.60, 15,982.86 and 2,864.48

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Solution

The fourth proportional to 10,655.60, 15,982.86 and 2,864.48 is: 4,296.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.60 : 15,982.86 = 2,864.48 : x
  2. Step 2: Convert to fraction form
    10,655.60/15,982.86 = 2,864.48/x
  3. Step 3: Cross multiply
    10,655.60x = 15,982.86 × 2,864.48
  4. Step 4: Simplify right side
    10,655.60x = 45,782,582.81
  5. Step 5: Solve for x
    x = 45,782,582.81/10,655.60
  6. Step 6: Final answer
    x = 4,296.57

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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.