Home / 5,435.02-8,152.52-1,331.02

Finding the Fourth Proportional to 5,435.02, 8,152.52 and 1,331.02

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Solution

The fourth proportional to 5,435.02, 8,152.52 and 1,331.02 is: 1,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.02 : 8,152.52 = 1,331.02 : x
  2. Step 2: Convert to fraction form
    5,435.02/8,152.52 = 1,331.02/x
  3. Step 3: Cross multiply
    5,435.02x = 8,152.52 × 1,331.02
  4. Step 4: Simplify right side
    5,435.02x = 10,851,136.08
  5. Step 5: Solve for x
    x = 10,851,136.08/5,435.02
  6. Step 6: Final answer
    x = 1,996.52

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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.