Home / 6,923.34-10,388.64-4,155.58

Finding the Fourth Proportional to 6,923.34, 10,388.64 and 4,155.58

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Solution

The fourth proportional to 6,923.34, 10,388.64 and 4,155.58 is: 6,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.34 : 10,388.64 = 4,155.58 : x
  2. Step 2: Convert to fraction form
    6,923.34/10,388.64 = 4,155.58/x
  3. Step 3: Cross multiply
    6,923.34x = 10,388.64 × 4,155.58
  4. Step 4: Simplify right side
    6,923.34x = 43,170,824.61
  5. Step 5: Solve for x
    x = 43,170,824.61/6,923.34
  6. Step 6: Final answer
    x = 6,235.55

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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.