Home / 5,378.02-8,064.99-3,187.36

Finding the Fourth Proportional to 5,378.02, 8,064.99 and 3,187.36

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Solution

The fourth proportional to 5,378.02, 8,064.99 and 3,187.36 is: 4,779.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.02 : 8,064.99 = 3,187.36 : x
  2. Step 2: Convert to fraction form
    5,378.02/8,064.99 = 3,187.36/x
  3. Step 3: Cross multiply
    5,378.02x = 8,064.99 × 3,187.36
  4. Step 4: Simplify right side
    5,378.02x = 25,706,026.53
  5. Step 5: Solve for x
    x = 25,706,026.53/5,378.02
  6. Step 6: Final answer
    x = 4,779.83

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1.5x scale

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.