Home / 4,328.78-6,492.31-2,136.11

Finding the Fourth Proportional to 4,328.78, 6,492.31 and 2,136.11

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Solution

The fourth proportional to 4,328.78, 6,492.31 and 2,136.11 is: 3,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.78 : 6,492.31 = 2,136.11 : x
  2. Step 2: Convert to fraction form
    4,328.78/6,492.31 = 2,136.11/x
  3. Step 3: Cross multiply
    4,328.78x = 6,492.31 × 2,136.11
  4. Step 4: Simplify right side
    4,328.78x = 13,868,250.51
  5. Step 5: Solve for x
    x = 13,868,250.51/4,328.78
  6. Step 6: Final answer
    x = 3,203.74

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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.