Home / 4,307.16-5,940.08-3,111.82

Finding the Fourth Proportional to 4,307.16, 5,940.08 and 3,111.82

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Solution

The fourth proportional to 4,307.16, 5,940.08 and 3,111.82 is: 4,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.16 : 5,940.08 = 3,111.82 : x
  2. Step 2: Convert to fraction form
    4,307.16/5,940.08 = 3,111.82/x
  3. Step 3: Cross multiply
    4,307.16x = 5,940.08 × 3,111.82
  4. Step 4: Simplify right side
    4,307.16x = 18,484,459.75
  5. Step 5: Solve for x
    x = 18,484,459.75/4,307.16
  6. Step 6: Final answer
    x = 4,291.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.