Home / 10,537.79-15,801.30-3,515.28

Finding the Fourth Proportional to 10,537.79, 15,801.30 and 3,515.28

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Solution

The fourth proportional to 10,537.79, 15,801.30 and 3,515.28 is: 5,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,537.79 : 15,801.30 = 3,515.28 : x
  2. Step 2: Convert to fraction form
    10,537.79/15,801.30 = 3,515.28/x
  3. Step 3: Cross multiply
    10,537.79x = 15,801.30 × 3,515.28
  4. Step 4: Simplify right side
    10,537.79x = 55,545,993.86
  5. Step 5: Solve for x
    x = 55,545,993.86/10,537.79
  6. Step 6: Final answer
    x = 5,271.13

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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.