Home / 6,535.40-9,802.96-2,638.76

Finding the Fourth Proportional to 6,535.40, 9,802.96 and 2,638.76

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Solution

The fourth proportional to 6,535.40, 9,802.96 and 2,638.76 is: 3,958.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,535.40 : 9,802.96 = 2,638.76 : x
  2. Step 2: Convert to fraction form
    6,535.40/9,802.96 = 2,638.76/x
  3. Step 3: Cross multiply
    6,535.40x = 9,802.96 × 2,638.76
  4. Step 4: Simplify right side
    6,535.40x = 25,867,658.73
  5. Step 5: Solve for x
    x = 25,867,658.73/6,535.40
  6. Step 6: Final answer
    x = 3,958.08

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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.