Home / 4,282.36-5,909.34-2,887

Finding the Fourth Proportional to 4,282.36, 5,909.34 and 2,887

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Solution

The fourth proportional to 4,282.36, 5,909.34 and 2,887 is: 3,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.36 : 5,909.34 = 2,887 : x
  2. Step 2: Convert to fraction form
    4,282.36/5,909.34 = 2,887/x
  3. Step 3: Cross multiply
    4,282.36x = 5,909.34 × 2,887
  4. Step 4: Simplify right side
    4,282.36x = 17,060,264.58
  5. Step 5: Solve for x
    x = 17,060,264.58/4,282.36
  6. Step 6: Final answer
    x = 3,983.85

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1.5x scale

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.