Home / 6,740.78-10,106.85-4,429.58

Finding the Fourth Proportional to 6,740.78, 10,106.85 and 4,429.58

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Solution

The fourth proportional to 6,740.78, 10,106.85 and 4,429.58 is: 6,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.78 : 10,106.85 = 4,429.58 : x
  2. Step 2: Convert to fraction form
    6,740.78/10,106.85 = 4,429.58/x
  3. Step 3: Cross multiply
    6,740.78x = 10,106.85 × 4,429.58
  4. Step 4: Simplify right side
    6,740.78x = 44,769,100.62
  5. Step 5: Solve for x
    x = 44,769,100.62/6,740.78
  6. Step 6: Final answer
    x = 6,641.53

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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.