Home / 6,539.70-9,810.56-2,380.76

Finding the Fourth Proportional to 6,539.70, 9,810.56 and 2,380.76

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Solution

The fourth proportional to 6,539.70, 9,810.56 and 2,380.76 is: 3,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,539.70 : 9,810.56 = 2,380.76 : x
  2. Step 2: Convert to fraction form
    6,539.70/9,810.56 = 2,380.76/x
  3. Step 3: Cross multiply
    6,539.70x = 9,810.56 × 2,380.76
  4. Step 4: Simplify right side
    6,539.70x = 23,356,588.83
  5. Step 5: Solve for x
    x = 23,356,588.83/6,539.70
  6. Step 6: Final answer
    x = 3,571.51

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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.