Home / 6,670.12-10,006.28-2,774.80

Finding the Fourth Proportional to 6,670.12, 10,006.28 and 2,774.80

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Solution

The fourth proportional to 6,670.12, 10,006.28 and 2,774.80 is: 4,162.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.12 : 10,006.28 = 2,774.80 : x
  2. Step 2: Convert to fraction form
    6,670.12/10,006.28 = 2,774.80/x
  3. Step 3: Cross multiply
    6,670.12x = 10,006.28 × 2,774.80
  4. Step 4: Simplify right side
    6,670.12x = 27,765,425.74
  5. Step 5: Solve for x
    x = 27,765,425.74/6,670.12
  6. Step 6: Final answer
    x = 4,162.66

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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.