Home / 4,740.47-7,112.55-1,966.44

Finding the Fourth Proportional to 4,740.47, 7,112.55 and 1,966.44

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Solution

The fourth proportional to 4,740.47, 7,112.55 and 1,966.44 is: 2,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.47 : 7,112.55 = 1,966.44 : x
  2. Step 2: Convert to fraction form
    4,740.47/7,112.55 = 1,966.44/x
  3. Step 3: Cross multiply
    4,740.47x = 7,112.55 × 1,966.44
  4. Step 4: Simplify right side
    4,740.47x = 13,986,402.82
  5. Step 5: Solve for x
    x = 13,986,402.82/4,740.47
  6. Step 6: Final answer
    x = 2,950.43

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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.