Home / 10,865.28-16,298.79-3,470.79

Finding the Fourth Proportional to 10,865.28, 16,298.79 and 3,470.79

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Solution

The fourth proportional to 10,865.28, 16,298.79 and 3,470.79 is: 5,206.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.28 : 16,298.79 = 3,470.79 : x
  2. Step 2: Convert to fraction form
    10,865.28/16,298.79 = 3,470.79/x
  3. Step 3: Cross multiply
    10,865.28x = 16,298.79 × 3,470.79
  4. Step 4: Simplify right side
    10,865.28x = 56,569,677.34
  5. Step 5: Solve for x
    x = 56,569,677.34/10,865.28
  6. Step 6: Final answer
    x = 5,206.46

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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.