Home / 4,075.52-6,115.70-1,478.66

Finding the Fourth Proportional to 4,075.52, 6,115.70 and 1,478.66

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Solution

The fourth proportional to 4,075.52, 6,115.70 and 1,478.66 is: 2,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.52 : 6,115.70 = 1,478.66 : x
  2. Step 2: Convert to fraction form
    4,075.52/6,115.70 = 1,478.66/x
  3. Step 3: Cross multiply
    4,075.52x = 6,115.70 × 1,478.66
  4. Step 4: Simplify right side
    4,075.52x = 9,043,014.08
  5. Step 5: Solve for x
    x = 9,043,014.08/4,075.52
  6. Step 6: Final answer
    x = 2,218.86

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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.