Home / 6,971.28-10,455.48-5,808.78

Finding the Fourth Proportional to 6,971.28, 10,455.48 and 5,808.78

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Solution

The fourth proportional to 6,971.28, 10,455.48 and 5,808.78 is: 8,711.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.28 : 10,455.48 = 5,808.78 : x
  2. Step 2: Convert to fraction form
    6,971.28/10,455.48 = 5,808.78/x
  3. Step 3: Cross multiply
    6,971.28x = 10,455.48 × 5,808.78
  4. Step 4: Simplify right side
    6,971.28x = 60,733,583.11
  5. Step 5: Solve for x
    x = 60,733,583.11/6,971.28
  6. Step 6: Final answer
    x = 8,711.97

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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.