Home / 7,660.80-10,571.51-4,303.75

Finding the Fourth Proportional to 7,660.80, 10,571.51 and 4,303.75

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Solution

The fourth proportional to 7,660.80, 10,571.51 and 4,303.75 is: 5,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.80 : 10,571.51 = 4,303.75 : x
  2. Step 2: Convert to fraction form
    7,660.80/10,571.51 = 4,303.75/x
  3. Step 3: Cross multiply
    7,660.80x = 10,571.51 × 4,303.75
  4. Step 4: Simplify right side
    7,660.80x = 45,497,114.64
  5. Step 5: Solve for x
    x = 45,497,114.64/7,660.80
  6. Step 6: Final answer
    x = 5,938.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.