Home / 6,820.45-10,237.16-3,535.90

Finding the Fourth Proportional to 6,820.45, 10,237.16 and 3,535.90

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Solution

The fourth proportional to 6,820.45, 10,237.16 and 3,535.90 is: 5,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.45 : 10,237.16 = 3,535.90 : x
  2. Step 2: Convert to fraction form
    6,820.45/10,237.16 = 3,535.90/x
  3. Step 3: Cross multiply
    6,820.45x = 10,237.16 × 3,535.90
  4. Step 4: Simplify right side
    6,820.45x = 36,197,574.04
  5. Step 5: Solve for x
    x = 36,197,574.04/6,820.45
  6. Step 6: Final answer
    x = 5,307.21

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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.