Home / 6,535.53-9,803.12-2,639.79

Finding the Fourth Proportional to 6,535.53, 9,803.12 and 2,639.79

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Solution

The fourth proportional to 6,535.53, 9,803.12 and 2,639.79 is: 3,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,535.53 : 9,803.12 = 2,639.79 : x
  2. Step 2: Convert to fraction form
    6,535.53/9,803.12 = 2,639.79/x
  3. Step 3: Cross multiply
    6,535.53x = 9,803.12 × 2,639.79
  4. Step 4: Simplify right side
    6,535.53x = 25,878,164.95
  5. Step 5: Solve for x
    x = 25,878,164.95/6,535.53
  6. Step 6: Final answer
    x = 3,959.61

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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.