Home / 4,381.07-6,571.55-1,261.10

Finding the Fourth Proportional to 4,381.07, 6,571.55 and 1,261.10

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Solution

The fourth proportional to 4,381.07, 6,571.55 and 1,261.10 is: 1,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.07 : 6,571.55 = 1,261.10 : x
  2. Step 2: Convert to fraction form
    4,381.07/6,571.55 = 1,261.10/x
  3. Step 3: Cross multiply
    4,381.07x = 6,571.55 × 1,261.10
  4. Step 4: Simplify right side
    4,381.07x = 8,287,381.71
  5. Step 5: Solve for x
    x = 8,287,381.71/4,381.07
  6. Step 6: Final answer
    x = 1,891.63

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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.