Home / 6,925.39-10,385.65-4,288.84

Finding the Fourth Proportional to 6,925.39, 10,385.65 and 4,288.84

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Solution

The fourth proportional to 6,925.39, 10,385.65 and 4,288.84 is: 6,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.39 : 10,385.65 = 4,288.84 : x
  2. Step 2: Convert to fraction form
    6,925.39/10,385.65 = 4,288.84/x
  3. Step 3: Cross multiply
    6,925.39x = 10,385.65 × 4,288.84
  4. Step 4: Simplify right side
    6,925.39x = 44,542,391.15
  5. Step 5: Solve for x
    x = 44,542,391.15/6,925.39
  6. Step 6: Final answer
    x = 6,431.75

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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.