Home / 4,565.57-6,848.75-1,278.65

Finding the Fourth Proportional to 4,565.57, 6,848.75 and 1,278.65

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Solution

The fourth proportional to 4,565.57, 6,848.75 and 1,278.65 is: 1,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,565.57 : 6,848.75 = 1,278.65 : x
  2. Step 2: Convert to fraction form
    4,565.57/6,848.75 = 1,278.65/x
  3. Step 3: Cross multiply
    4,565.57x = 6,848.75 × 1,278.65
  4. Step 4: Simplify right side
    4,565.57x = 8,757,174.51
  5. Step 5: Solve for x
    x = 8,757,174.51/4,565.57
  6. Step 6: Final answer
    x = 1,918.09

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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.