Home / 7,743.93-11,618.12-2,812.24

Finding the Fourth Proportional to 7,743.93, 11,618.12 and 2,812.24

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Solution

The fourth proportional to 7,743.93, 11,618.12 and 2,812.24 is: 4,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.93 : 11,618.12 = 2,812.24 : x
  2. Step 2: Convert to fraction form
    7,743.93/11,618.12 = 2,812.24/x
  3. Step 3: Cross multiply
    7,743.93x = 11,618.12 × 2,812.24
  4. Step 4: Simplify right side
    7,743.93x = 32,672,941.79
  5. Step 5: Solve for x
    x = 32,672,941.79/7,743.93
  6. Step 6: Final answer
    x = 4,219.17

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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.