Home / 4,328.10-6,492.38-1,406.61

Finding the Fourth Proportional to 4,328.10, 6,492.38 and 1,406.61

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Solution

The fourth proportional to 4,328.10, 6,492.38 and 1,406.61 is: 2,109.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.10 : 6,492.38 = 1,406.61 : x
  2. Step 2: Convert to fraction form
    4,328.10/6,492.38 = 1,406.61/x
  3. Step 3: Cross multiply
    4,328.10x = 6,492.38 × 1,406.61
  4. Step 4: Simplify right side
    4,328.10x = 9,132,239.60
  5. Step 5: Solve for x
    x = 9,132,239.60/4,328.10
  6. Step 6: Final answer
    x = 2,109.99

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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.