Home / 4,758.88-7,139.40-1,472.08

Finding the Fourth Proportional to 4,758.88, 7,139.40 and 1,472.08

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Solution

The fourth proportional to 4,758.88, 7,139.40 and 1,472.08 is: 2,208.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.88 : 7,139.40 = 1,472.08 : x
  2. Step 2: Convert to fraction form
    4,758.88/7,139.40 = 1,472.08/x
  3. Step 3: Cross multiply
    4,758.88x = 7,139.40 × 1,472.08
  4. Step 4: Simplify right side
    4,758.88x = 10,509,767.95
  5. Step 5: Solve for x
    x = 10,509,767.95/4,758.88
  6. Step 6: Final answer
    x = 2,208.45

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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.