Home / 6,826.40-10,239.76-2,666.24

Finding the Fourth Proportional to 6,826.40, 10,239.76 and 2,666.24

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Solution

The fourth proportional to 6,826.40, 10,239.76 and 2,666.24 is: 3,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,826.40 : 10,239.76 = 2,666.24 : x
  2. Step 2: Convert to fraction form
    6,826.40/10,239.76 = 2,666.24/x
  3. Step 3: Cross multiply
    6,826.40x = 10,239.76 × 2,666.24
  4. Step 4: Simplify right side
    6,826.40x = 27,301,657.70
  5. Step 5: Solve for x
    x = 27,301,657.70/6,826.40
  6. Step 6: Final answer
    x = 3,999.42

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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.