Home / 7,895.12-10,899.71-6,296.64

Finding the Fourth Proportional to 7,895.12, 10,899.71 and 6,296.64

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Solution

The fourth proportional to 7,895.12, 10,899.71 and 6,296.64 is: 8,692.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.12 : 10,899.71 = 6,296.64 : x
  2. Step 2: Convert to fraction form
    7,895.12/10,899.71 = 6,296.64/x
  3. Step 3: Cross multiply
    7,895.12x = 10,899.71 × 6,296.64
  4. Step 4: Simplify right side
    7,895.12x = 68,631,536.65
  5. Step 5: Solve for x
    x = 68,631,536.65/7,895.12
  6. Step 6: Final answer
    x = 8,692.91

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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.