Home / 10,507.75-15,763.50-3,488.19

Finding the Fourth Proportional to 10,507.75, 15,763.50 and 3,488.19

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Solution

The fourth proportional to 10,507.75, 15,763.50 and 3,488.19 is: 5,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507.75 : 15,763.50 = 3,488.19 : x
  2. Step 2: Convert to fraction form
    10,507.75/15,763.50 = 3,488.19/x
  3. Step 3: Cross multiply
    10,507.75x = 15,763.50 × 3,488.19
  4. Step 4: Simplify right side
    10,507.75x = 54,986,083.07
  5. Step 5: Solve for x
    x = 54,986,083.07/10,507.75
  6. Step 6: Final answer
    x = 5,232.91

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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.