Home / 7,690.06-11,535.02-2,143.43

Finding the Fourth Proportional to 7,690.06, 11,535.02 and 2,143.43

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Solution

The fourth proportional to 7,690.06, 11,535.02 and 2,143.43 is: 3,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.06 : 11,535.02 = 2,143.43 : x
  2. Step 2: Convert to fraction form
    7,690.06/11,535.02 = 2,143.43/x
  3. Step 3: Cross multiply
    7,690.06x = 11,535.02 × 2,143.43
  4. Step 4: Simplify right side
    7,690.06x = 24,724,507.92
  5. Step 5: Solve for x
    x = 24,724,507.92/7,690.06
  6. Step 6: Final answer
    x = 3,215.13

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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.