Home / 5,186.19-7,779.51-1,488.04

Finding the Fourth Proportional to 5,186.19, 7,779.51 and 1,488.04

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Solution

The fourth proportional to 5,186.19, 7,779.51 and 1,488.04 is: 2,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.19 : 7,779.51 = 1,488.04 : x
  2. Step 2: Convert to fraction form
    5,186.19/7,779.51 = 1,488.04/x
  3. Step 3: Cross multiply
    5,186.19x = 7,779.51 × 1,488.04
  4. Step 4: Simplify right side
    5,186.19x = 11,576,202.61
  5. Step 5: Solve for x
    x = 11,576,202.61/5,186.19
  6. Step 6: Final answer
    x = 2,232.12

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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.