Home / 8,177.81-11,285.55-5,792.04

Finding the Fourth Proportional to 8,177.81, 11,285.55 and 5,792.04

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Solution

The fourth proportional to 8,177.81, 11,285.55 and 5,792.04 is: 7,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.81 : 11,285.55 = 5,792.04 : x
  2. Step 2: Convert to fraction form
    8,177.81/11,285.55 = 5,792.04/x
  3. Step 3: Cross multiply
    8,177.81x = 11,285.55 × 5,792.04
  4. Step 4: Simplify right side
    8,177.81x = 65,366,357.02
  5. Step 5: Solve for x
    x = 65,366,357.02/8,177.81
  6. Step 6: Final answer
    x = 7,993.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.