Home / 9,471.80-14,210.40-3,851.21

Finding the Fourth Proportional to 9,471.80, 14,210.40 and 3,851.21

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Solution

The fourth proportional to 9,471.80, 14,210.40 and 3,851.21 is: 5,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,471.80 : 14,210.40 = 3,851.21 : x
  2. Step 2: Convert to fraction form
    9,471.80/14,210.40 = 3,851.21/x
  3. Step 3: Cross multiply
    9,471.80x = 14,210.40 × 3,851.21
  4. Step 4: Simplify right side
    9,471.80x = 54,727,163.53
  5. Step 5: Solve for x
    x = 54,727,163.53/9,471.80
  6. Step 6: Final answer
    x = 5,777.91

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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.