Home / 5,278.00-7,283.58-2,888.02

Finding the Fourth Proportional to 5,278.00, 7,283.58 and 2,888.02

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Solution

The fourth proportional to 5,278.00, 7,283.58 and 2,888.02 is: 3,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.00 : 7,283.58 = 2,888.02 : x
  2. Step 2: Convert to fraction form
    5,278.00/7,283.58 = 2,888.02/x
  3. Step 3: Cross multiply
    5,278.00x = 7,283.58 × 2,888.02
  4. Step 4: Simplify right side
    5,278.00x = 21,035,112.56
  5. Step 5: Solve for x
    x = 21,035,112.56/5,278.00
  6. Step 6: Final answer
    x = 3,985.43

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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.