Home / 10,283.28-15,421.04-3,707.84

Finding the Fourth Proportional to 10,283.28, 15,421.04 and 3,707.84

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Solution

The fourth proportional to 10,283.28, 15,421.04 and 3,707.84 is: 5,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,283.28 : 15,421.04 = 3,707.84 : x
  2. Step 2: Convert to fraction form
    10,283.28/15,421.04 = 3,707.84/x
  3. Step 3: Cross multiply
    10,283.28x = 15,421.04 × 3,707.84
  4. Step 4: Simplify right side
    10,283.28x = 57,178,748.95
  5. Step 5: Solve for x
    x = 57,178,748.95/10,283.28
  6. Step 6: Final answer
    x = 5,560.36

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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.