Home / 7,119.29-10,672.07-4,779.93

Finding the Fourth Proportional to 7,119.29, 10,672.07 and 4,779.93

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Solution

The fourth proportional to 7,119.29, 10,672.07 and 4,779.93 is: 7,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.29 : 10,672.07 = 4,779.93 : x
  2. Step 2: Convert to fraction form
    7,119.29/10,672.07 = 4,779.93/x
  3. Step 3: Cross multiply
    7,119.29x = 10,672.07 × 4,779.93
  4. Step 4: Simplify right side
    7,119.29x = 51,011,747.56
  5. Step 5: Solve for x
    x = 51,011,747.56/7,119.29
  6. Step 6: Final answer
    x = 7,165.29

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1.5x scale

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.