Home / 4,881.91-7,317.31-2,068.99

Finding the Fourth Proportional to 4,881.91, 7,317.31 and 2,068.99

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Solution

The fourth proportional to 4,881.91, 7,317.31 and 2,068.99 is: 3,101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.91 : 7,317.31 = 2,068.99 : x
  2. Step 2: Convert to fraction form
    4,881.91/7,317.31 = 2,068.99/x
  3. Step 3: Cross multiply
    4,881.91x = 7,317.31 × 2,068.99
  4. Step 4: Simplify right side
    4,881.91x = 15,139,441.22
  5. Step 5: Solve for x
    x = 15,139,441.22/4,881.91
  6. Step 6: Final answer
    x = 3,101.13

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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.