Home / 6,895.80-9,516.90-4,064.05

Finding the Fourth Proportional to 6,895.80, 9,516.90 and 4,064.05

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Solution

The fourth proportional to 6,895.80, 9,516.90 and 4,064.05 is: 5,608.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.80 : 9,516.90 = 4,064.05 : x
  2. Step 2: Convert to fraction form
    6,895.80/9,516.90 = 4,064.05/x
  3. Step 3: Cross multiply
    6,895.80x = 9,516.90 × 4,064.05
  4. Step 4: Simplify right side
    6,895.80x = 38,677,089.54
  5. Step 5: Solve for x
    x = 38,677,089.54/6,895.80
  6. Step 6: Final answer
    x = 5,608.79

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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.