Home / 10,526.28-15,784.76-3,947.85

Finding the Fourth Proportional to 10,526.28, 15,784.76 and 3,947.85

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Solution

The fourth proportional to 10,526.28, 15,784.76 and 3,947.85 is: 5,920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,526.28 : 15,784.76 = 3,947.85 : x
  2. Step 2: Convert to fraction form
    10,526.28/15,784.76 = 3,947.85/x
  3. Step 3: Cross multiply
    10,526.28x = 15,784.76 × 3,947.85
  4. Step 4: Simplify right side
    10,526.28x = 62,315,845.03
  5. Step 5: Solve for x
    x = 62,315,845.03/10,526.28
  6. Step 6: Final answer
    x = 5,920.03

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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.