Home / 6,948.74-10,422.30-2,788.58

Finding the Fourth Proportional to 6,948.74, 10,422.30 and 2,788.58

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Solution

The fourth proportional to 6,948.74, 10,422.30 and 2,788.58 is: 4,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948.74 : 10,422.30 = 2,788.58 : x
  2. Step 2: Convert to fraction form
    6,948.74/10,422.30 = 2,788.58/x
  3. Step 3: Cross multiply
    6,948.74x = 10,422.30 × 2,788.58
  4. Step 4: Simplify right side
    6,948.74x = 29,063,417.33
  5. Step 5: Solve for x
    x = 29,063,417.33/6,948.74
  6. Step 6: Final answer
    x = 4,182.54

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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.