Home / 4,991.05-6,888.28-2,867.25

Finding the Fourth Proportional to 4,991.05, 6,888.28 and 2,867.25

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Solution

The fourth proportional to 4,991.05, 6,888.28 and 2,867.25 is: 3,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.05 : 6,888.28 = 2,867.25 : x
  2. Step 2: Convert to fraction form
    4,991.05/6,888.28 = 2,867.25/x
  3. Step 3: Cross multiply
    4,991.05x = 6,888.28 × 2,867.25
  4. Step 4: Simplify right side
    4,991.05x = 19,750,420.83
  5. Step 5: Solve for x
    x = 19,750,420.83/4,991.05
  6. Step 6: Final answer
    x = 3,957.17

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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.