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Finding the Fourth Proportional to 7,752.98, 10,699.19 and 4,608.56

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Solution

The fourth proportional to 7,752.98, 10,699.19 and 4,608.56 is: 6,359.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.98 : 10,699.19 = 4,608.56 : x
  2. Step 2: Convert to fraction form
    7,752.98/10,699.19 = 4,608.56/x
  3. Step 3: Cross multiply
    7,752.98x = 10,699.19 × 4,608.56
  4. Step 4: Simplify right side
    7,752.98x = 49,307,880.05
  5. Step 5: Solve for x
    x = 49,307,880.05/7,752.98
  6. Step 6: Final answer
    x = 6,359.86

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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.