Home / 6,375.69-8,790.39-4,560.89

Finding the Fourth Proportional to 6,375.69, 8,790.39 and 4,560.89

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Solution

The fourth proportional to 6,375.69, 8,790.39 and 4,560.89 is: 6,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.69 : 8,790.39 = 4,560.89 : x
  2. Step 2: Convert to fraction form
    6,375.69/8,790.39 = 4,560.89/x
  3. Step 3: Cross multiply
    6,375.69x = 8,790.39 × 4,560.89
  4. Step 4: Simplify right side
    6,375.69x = 40,091,957.90
  5. Step 5: Solve for x
    x = 40,091,957.90/6,375.69
  6. Step 6: Final answer
    x = 6,288.25

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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.