Home / 10,525.92-15,791.48-3,130.35

Finding the Fourth Proportional to 10,525.92, 15,791.48 and 3,130.35

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Solution

The fourth proportional to 10,525.92, 15,791.48 and 3,130.35 is: 4,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.92 : 15,791.48 = 3,130.35 : x
  2. Step 2: Convert to fraction form
    10,525.92/15,791.48 = 3,130.35/x
  3. Step 3: Cross multiply
    10,525.92x = 15,791.48 × 3,130.35
  4. Step 4: Simplify right side
    10,525.92x = 49,432,859.42
  5. Step 5: Solve for x
    x = 49,432,859.42/10,525.92
  6. Step 6: Final answer
    x = 4,696.30

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1.5x scale

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.