Home / 7,790.29-11,679.06-5,329.93

Finding the Fourth Proportional to 7,790.29, 11,679.06 and 5,329.93

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Solution

The fourth proportional to 7,790.29, 11,679.06 and 5,329.93 is: 7,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.29 : 11,679.06 = 5,329.93 : x
  2. Step 2: Convert to fraction form
    7,790.29/11,679.06 = 5,329.93/x
  3. Step 3: Cross multiply
    7,790.29x = 11,679.06 × 5,329.93
  4. Step 4: Simplify right side
    7,790.29x = 62,248,572.27
  5. Step 5: Solve for x
    x = 62,248,572.27/7,790.29
  6. Step 6: Final answer
    x = 7,990.53

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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.