Home / 6,947.80-10,422.20-2,565.60

Finding the Fourth Proportional to 6,947.80, 10,422.20 and 2,565.60

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Solution

The fourth proportional to 6,947.80, 10,422.20 and 2,565.60 is: 3,848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.80 : 10,422.20 = 2,565.60 : x
  2. Step 2: Convert to fraction form
    6,947.80/10,422.20 = 2,565.60/x
  3. Step 3: Cross multiply
    6,947.80x = 10,422.20 × 2,565.60
  4. Step 4: Simplify right side
    6,947.80x = 26,739,196.32
  5. Step 5: Solve for x
    x = 26,739,196.32/6,947.80
  6. Step 6: Final answer
    x = 3,848.58

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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.