Home / 5,904.78-8,857.71-2,981.22

Finding the Fourth Proportional to 5,904.78, 8,857.71 and 2,981.22

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Solution

The fourth proportional to 5,904.78, 8,857.71 and 2,981.22 is: 4,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904.78 : 8,857.71 = 2,981.22 : x
  2. Step 2: Convert to fraction form
    5,904.78/8,857.71 = 2,981.22/x
  3. Step 3: Cross multiply
    5,904.78x = 8,857.71 × 2,981.22
  4. Step 4: Simplify right side
    5,904.78x = 26,406,782.21
  5. Step 5: Solve for x
    x = 26,406,782.21/5,904.78
  6. Step 6: Final answer
    x = 4,472.10

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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.