Home / 6,740.19-9,299.12-4,052.21

Finding the Fourth Proportional to 6,740.19, 9,299.12 and 4,052.21

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Solution

The fourth proportional to 6,740.19, 9,299.12 and 4,052.21 is: 5,590.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.19 : 9,299.12 = 4,052.21 : x
  2. Step 2: Convert to fraction form
    6,740.19/9,299.12 = 4,052.21/x
  3. Step 3: Cross multiply
    6,740.19x = 9,299.12 × 4,052.21
  4. Step 4: Simplify right side
    6,740.19x = 37,681,920.30
  5. Step 5: Solve for x
    x = 37,681,920.30/6,740.19
  6. Step 6: Final answer
    x = 5,590.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.