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Finding the Fourth Proportional to 8,751.25, 12,075.65 and 5,349.97

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Solution

The fourth proportional to 8,751.25, 12,075.65 and 5,349.97 is: 7,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.25 : 12,075.65 = 5,349.97 : x
  2. Step 2: Convert to fraction form
    8,751.25/12,075.65 = 5,349.97/x
  3. Step 3: Cross multiply
    8,751.25x = 12,075.65 × 5,349.97
  4. Step 4: Simplify right side
    8,751.25x = 64,604,308.29
  5. Step 5: Solve for x
    x = 64,604,308.29/8,751.25
  6. Step 6: Final answer
    x = 7,382.30

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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.