Home / 4,187.12-6,282.35-1,877

Finding the Fourth Proportional to 4,187.12, 6,282.35 and 1,877

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Solution

The fourth proportional to 4,187.12, 6,282.35 and 1,877 is: 2,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.12 : 6,282.35 = 1,877 : x
  2. Step 2: Convert to fraction form
    4,187.12/6,282.35 = 1,877/x
  3. Step 3: Cross multiply
    4,187.12x = 6,282.35 × 1,877
  4. Step 4: Simplify right side
    4,187.12x = 11,791,970.95
  5. Step 5: Solve for x
    x = 11,791,970.95/4,187.12
  6. Step 6: Final answer
    x = 2,816.25

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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.