Home / 4,740.67-7,112.40-1,966.87

Finding the Fourth Proportional to 4,740.67, 7,112.40 and 1,966.87

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Solution

The fourth proportional to 4,740.67, 7,112.40 and 1,966.87 is: 2,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.67 : 7,112.40 = 1,966.87 : x
  2. Step 2: Convert to fraction form
    4,740.67/7,112.40 = 1,966.87/x
  3. Step 3: Cross multiply
    4,740.67x = 7,112.40 × 1,966.87
  4. Step 4: Simplify right side
    4,740.67x = 13,989,166.19
  5. Step 5: Solve for x
    x = 13,989,166.19/4,740.67
  6. Step 6: Final answer
    x = 2,950.88

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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.