Home / 5,187.77-7,159.16-2,829.95

Finding the Fourth Proportional to 5,187.77, 7,159.16 and 2,829.95

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Solution

The fourth proportional to 5,187.77, 7,159.16 and 2,829.95 is: 3,905.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.77 : 7,159.16 = 2,829.95 : x
  2. Step 2: Convert to fraction form
    5,187.77/7,159.16 = 2,829.95/x
  3. Step 3: Cross multiply
    5,187.77x = 7,159.16 × 2,829.95
  4. Step 4: Simplify right side
    5,187.77x = 20,260,064.84
  5. Step 5: Solve for x
    x = 20,260,064.84/5,187.77
  6. Step 6: Final answer
    x = 3,905.35

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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.