Home / 4,971.80-6,860.24-2,875.52

Finding the Fourth Proportional to 4,971.80, 6,860.24 and 2,875.52

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Solution

The fourth proportional to 4,971.80, 6,860.24 and 2,875.52 is: 3,967.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.80 : 6,860.24 = 2,875.52 : x
  2. Step 2: Convert to fraction form
    4,971.80/6,860.24 = 2,875.52/x
  3. Step 3: Cross multiply
    4,971.80x = 6,860.24 × 2,875.52
  4. Step 4: Simplify right side
    4,971.80x = 19,726,757.32
  5. Step 5: Solve for x
    x = 19,726,757.32/4,971.80
  6. Step 6: Final answer
    x = 3,967.73

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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.