Home / 4,881.42-7,315.98-1,958.10

Finding the Fourth Proportional to 4,881.42, 7,315.98 and 1,958.10

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Solution

The fourth proportional to 4,881.42, 7,315.98 and 1,958.10 is: 2,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.42 : 7,315.98 = 1,958.10 : x
  2. Step 2: Convert to fraction form
    4,881.42/7,315.98 = 1,958.10/x
  3. Step 3: Cross multiply
    4,881.42x = 7,315.98 × 1,958.10
  4. Step 4: Simplify right side
    4,881.42x = 14,325,420.44
  5. Step 5: Solve for x
    x = 14,325,420.44/4,881.42
  6. Step 6: Final answer
    x = 2,934.68

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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.