Home / 6,864.68-10,295.40-2,972

Finding the Fourth Proportional to 6,864.68, 10,295.40 and 2,972

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Solution

The fourth proportional to 6,864.68, 10,295.40 and 2,972 is: 4,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.68 : 10,295.40 = 2,972 : x
  2. Step 2: Convert to fraction form
    6,864.68/10,295.40 = 2,972/x
  3. Step 3: Cross multiply
    6,864.68x = 10,295.40 × 2,972
  4. Step 4: Simplify right side
    6,864.68x = 30,597,928.80
  5. Step 5: Solve for x
    x = 30,597,928.80/6,864.68
  6. Step 6: Final answer
    x = 4,457.30

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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.