Home / 6,291.30-9,442.35-2,786.70

Finding the Fourth Proportional to 6,291.30, 9,442.35 and 2,786.70

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Solution

The fourth proportional to 6,291.30, 9,442.35 and 2,786.70 is: 4,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.30 : 9,442.35 = 2,786.70 : x
  2. Step 2: Convert to fraction form
    6,291.30/9,442.35 = 2,786.70/x
  3. Step 3: Cross multiply
    6,291.30x = 9,442.35 × 2,786.70
  4. Step 4: Simplify right side
    6,291.30x = 26,312,996.75
  5. Step 5: Solve for x
    x = 26,312,996.75/6,291.30
  6. Step 6: Final answer
    x = 4,182.44

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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.