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Finding the Fourth Proportional to 5,133.69, 7,700.54 and 1,846.79

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Solution

The fourth proportional to 5,133.69, 7,700.54 and 1,846.79 is: 2,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.69 : 7,700.54 = 1,846.79 : x
  2. Step 2: Convert to fraction form
    5,133.69/7,700.54 = 1,846.79/x
  3. Step 3: Cross multiply
    5,133.69x = 7,700.54 × 1,846.79
  4. Step 4: Simplify right side
    5,133.69x = 14,221,232.53
  5. Step 5: Solve for x
    x = 14,221,232.53/5,133.69
  6. Step 6: Final answer
    x = 2,770.18

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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.