Home / 6,842.88-10,265.40-3,148.74

Finding the Fourth Proportional to 6,842.88, 10,265.40 and 3,148.74

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Solution

The fourth proportional to 6,842.88, 10,265.40 and 3,148.74 is: 4,723.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842.88 : 10,265.40 = 3,148.74 : x
  2. Step 2: Convert to fraction form
    6,842.88/10,265.40 = 3,148.74/x
  3. Step 3: Cross multiply
    6,842.88x = 10,265.40 × 3,148.74
  4. Step 4: Simplify right side
    6,842.88x = 32,323,075.60
  5. Step 5: Solve for x
    x = 32,323,075.60/6,842.88
  6. Step 6: Final answer
    x = 4,723.61

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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.