Home / 6,292.78-9,439.80-1,675.78

Finding the Fourth Proportional to 6,292.78, 9,439.80 and 1,675.78

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Solution

The fourth proportional to 6,292.78, 9,439.80 and 1,675.78 is: 2,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,292.78 : 9,439.80 = 1,675.78 : x
  2. Step 2: Convert to fraction form
    6,292.78/9,439.80 = 1,675.78/x
  3. Step 3: Cross multiply
    6,292.78x = 9,439.80 × 1,675.78
  4. Step 4: Simplify right side
    6,292.78x = 15,819,028.04
  5. Step 5: Solve for x
    x = 15,819,028.04/6,292.78
  6. Step 6: Final answer
    x = 2,513.84

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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.