Home / 5,305.42-7,955.40-2,381.22

Finding the Fourth Proportional to 5,305.42, 7,955.40 and 2,381.22

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Solution

The fourth proportional to 5,305.42, 7,955.40 and 2,381.22 is: 3,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.42 : 7,955.40 = 2,381.22 : x
  2. Step 2: Convert to fraction form
    5,305.42/7,955.40 = 2,381.22/x
  3. Step 3: Cross multiply
    5,305.42x = 7,955.40 × 2,381.22
  4. Step 4: Simplify right side
    5,305.42x = 18,943,557.59
  5. Step 5: Solve for x
    x = 18,943,557.59/5,305.42
  6. Step 6: Final answer
    x = 3,570.60

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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.