Home / 6,888.61-10,305.85-5,316.73

Finding the Fourth Proportional to 6,888.61, 10,305.85 and 5,316.73

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Solution

The fourth proportional to 6,888.61, 10,305.85 and 5,316.73 is: 7,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.61 : 10,305.85 = 5,316.73 : x
  2. Step 2: Convert to fraction form
    6,888.61/10,305.85 = 5,316.73/x
  3. Step 3: Cross multiply
    6,888.61x = 10,305.85 × 5,316.73
  4. Step 4: Simplify right side
    6,888.61x = 54,793,421.87
  5. Step 5: Solve for x
    x = 54,793,421.87/6,888.61
  6. Step 6: Final answer
    x = 7,954.21

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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.