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Finding the Fourth Proportional to 6,340.44, 8,752.14 and 4,765.80

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Solution

The fourth proportional to 6,340.44, 8,752.14 and 4,765.80 is: 6,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.44 : 8,752.14 = 4,765.80 : x
  2. Step 2: Convert to fraction form
    6,340.44/8,752.14 = 4,765.80/x
  3. Step 3: Cross multiply
    6,340.44x = 8,752.14 × 4,765.80
  4. Step 4: Simplify right side
    6,340.44x = 41,710,948.81
  5. Step 5: Solve for x
    x = 41,710,948.81/6,340.44
  6. Step 6: Final answer
    x = 6,578.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.