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Finding the Fourth Proportional to 4,803.42, 7,204.95 and 1,340.82

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Solution

The fourth proportional to 4,803.42, 7,204.95 and 1,340.82 is: 2,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.42 : 7,204.95 = 1,340.82 : x
  2. Step 2: Convert to fraction form
    4,803.42/7,204.95 = 1,340.82/x
  3. Step 3: Cross multiply
    4,803.42x = 7,204.95 × 1,340.82
  4. Step 4: Simplify right side
    4,803.42x = 9,660,541.06
  5. Step 5: Solve for x
    x = 9,660,541.06/4,803.42
  6. Step 6: Final answer
    x = 2,011.18

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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.