Home / 6,423.58-8,864.32-3,770.92

Finding the Fourth Proportional to 6,423.58, 8,864.32 and 3,770.92

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Solution

The fourth proportional to 6,423.58, 8,864.32 and 3,770.92 is: 5,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.58 : 8,864.32 = 3,770.92 : x
  2. Step 2: Convert to fraction form
    6,423.58/8,864.32 = 3,770.92/x
  3. Step 3: Cross multiply
    6,423.58x = 8,864.32 × 3,770.92
  4. Step 4: Simplify right side
    6,423.58x = 33,426,578.40
  5. Step 5: Solve for x
    x = 33,426,578.40/6,423.58
  6. Step 6: Final answer
    x = 5,203.73

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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.