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Finding the Fourth Proportional to 10,875.75, 15,008.55 and 5,907.75

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Solution

The fourth proportional to 10,875.75, 15,008.55 and 5,907.75 is: 8,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.75 : 15,008.55 = 5,907.75 : x
  2. Step 2: Convert to fraction form
    10,875.75/15,008.55 = 5,907.75/x
  3. Step 3: Cross multiply
    10,875.75x = 15,008.55 × 5,907.75
  4. Step 4: Simplify right side
    10,875.75x = 88,666,761.26
  5. Step 5: Solve for x
    x = 88,666,761.26/10,875.75
  6. Step 6: Final answer
    x = 8,152.70

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