Home / 5,274.24-7,912.08-1,810.80

Finding the Fourth Proportional to 5,274.24, 7,912.08 and 1,810.80

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Solution

The fourth proportional to 5,274.24, 7,912.08 and 1,810.80 is: 2,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.24 : 7,912.08 = 1,810.80 : x
  2. Step 2: Convert to fraction form
    5,274.24/7,912.08 = 1,810.80/x
  3. Step 3: Cross multiply
    5,274.24x = 7,912.08 × 1,810.80
  4. Step 4: Simplify right side
    5,274.24x = 14,327,194.46
  5. Step 5: Solve for x
    x = 14,327,194.46/5,274.24
  6. Step 6: Final answer
    x = 2,716.45

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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.