Home / 4,885.74-7,329.96-2,111.22

Finding the Fourth Proportional to 4,885.74, 7,329.96 and 2,111.22

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Solution

The fourth proportional to 4,885.74, 7,329.96 and 2,111.22 is: 3,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.74 : 7,329.96 = 2,111.22 : x
  2. Step 2: Convert to fraction form
    4,885.74/7,329.96 = 2,111.22/x
  3. Step 3: Cross multiply
    4,885.74x = 7,329.96 × 2,111.22
  4. Step 4: Simplify right side
    4,885.74x = 15,475,158.15
  5. Step 5: Solve for x
    x = 15,475,158.15/4,885.74
  6. Step 6: Final answer
    x = 3,167.41

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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.