Home / 5,253.30-7,889.40-5,019.75

Finding the Fourth Proportional to 5,253.30, 7,889.40 and 5,019.75

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Solution

The fourth proportional to 5,253.30, 7,889.40 and 5,019.75 is: 7,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.30 : 7,889.40 = 5,019.75 : x
  2. Step 2: Convert to fraction form
    5,253.30/7,889.40 = 5,019.75/x
  3. Step 3: Cross multiply
    5,253.30x = 7,889.40 × 5,019.75
  4. Step 4: Simplify right side
    5,253.30x = 39,602,815.65
  5. Step 5: Solve for x
    x = 39,602,815.65/5,253.30
  6. Step 6: Final answer
    x = 7,538.65

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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.