Home / 5,283.38-7,927.80-2,686.32

Finding the Fourth Proportional to 5,283.38, 7,927.80 and 2,686.32

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Solution

The fourth proportional to 5,283.38, 7,927.80 and 2,686.32 is: 4,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.38 : 7,927.80 = 2,686.32 : x
  2. Step 2: Convert to fraction form
    5,283.38/7,927.80 = 2,686.32/x
  3. Step 3: Cross multiply
    5,283.38x = 7,927.80 × 2,686.32
  4. Step 4: Simplify right side
    5,283.38x = 21,296,607.70
  5. Step 5: Solve for x
    x = 21,296,607.70/5,283.38
  6. Step 6: Final answer
    x = 4,030.87

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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.