Home / 7,774.20-11,642.67-4,258.94

Finding the Fourth Proportional to 7,774.20, 11,642.67 and 4,258.94

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Solution

The fourth proportional to 7,774.20, 11,642.67 and 4,258.94 is: 6,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774.20 : 11,642.67 = 4,258.94 : x
  2. Step 2: Convert to fraction form
    7,774.20/11,642.67 = 4,258.94/x
  3. Step 3: Cross multiply
    7,774.20x = 11,642.67 × 4,258.94
  4. Step 4: Simplify right side
    7,774.20x = 49,585,374.76
  5. Step 5: Solve for x
    x = 49,585,374.76/7,774.20
  6. Step 6: Final answer
    x = 6,378.20

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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.