Home / 9,155.42-13,731.61-2,580.07

Finding the Fourth Proportional to 9,155.42, 13,731.61 and 2,580.07

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Solution

The fourth proportional to 9,155.42, 13,731.61 and 2,580.07 is: 3,869.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.42 : 13,731.61 = 2,580.07 : x
  2. Step 2: Convert to fraction form
    9,155.42/13,731.61 = 2,580.07/x
  3. Step 3: Cross multiply
    9,155.42x = 13,731.61 × 2,580.07
  4. Step 4: Simplify right side
    9,155.42x = 35,428,515.01
  5. Step 5: Solve for x
    x = 35,428,515.01/9,155.42
  6. Step 6: Final answer
    x = 3,869.68

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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.