Home / 5,399.02-8,085.93-4,156.57

Finding the Fourth Proportional to 5,399.02, 8,085.93 and 4,156.57

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Solution

The fourth proportional to 5,399.02, 8,085.93 and 4,156.57 is: 6,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.02 : 8,085.93 = 4,156.57 : x
  2. Step 2: Convert to fraction form
    5,399.02/8,085.93 = 4,156.57/x
  3. Step 3: Cross multiply
    5,399.02x = 8,085.93 × 4,156.57
  4. Step 4: Simplify right side
    5,399.02x = 33,609,734.06
  5. Step 5: Solve for x
    x = 33,609,734.06/5,399.02
  6. Step 6: Final answer
    x = 6,225.15

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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.