Home / 6,884.82-10,312.10-5,148.18

Finding the Fourth Proportional to 6,884.82, 10,312.10 and 5,148.18

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Solution

The fourth proportional to 6,884.82, 10,312.10 and 5,148.18 is: 7,710.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.82 : 10,312.10 = 5,148.18 : x
  2. Step 2: Convert to fraction form
    6,884.82/10,312.10 = 5,148.18/x
  3. Step 3: Cross multiply
    6,884.82x = 10,312.10 × 5,148.18
  4. Step 4: Simplify right side
    6,884.82x = 53,088,546.98
  5. Step 5: Solve for x
    x = 53,088,546.98/6,884.82
  6. Step 6: Final answer
    x = 7,710.96

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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.