Home / 4,328.20-6,492.45-1,406.53

Finding the Fourth Proportional to 4,328.20, 6,492.45 and 1,406.53

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Solution

The fourth proportional to 4,328.20, 6,492.45 and 1,406.53 is: 2,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.20 : 6,492.45 = 1,406.53 : x
  2. Step 2: Convert to fraction form
    4,328.20/6,492.45 = 1,406.53/x
  3. Step 3: Cross multiply
    4,328.20x = 6,492.45 × 1,406.53
  4. Step 4: Simplify right side
    4,328.20x = 9,131,839.09
  5. Step 5: Solve for x
    x = 9,131,839.09/4,328.20
  6. Step 6: Final answer
    x = 2,109.85

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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.