Home / 5,321.53-7,987.16-4,084.93

Finding the Fourth Proportional to 5,321.53, 7,987.16 and 4,084.93

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Solution

The fourth proportional to 5,321.53, 7,987.16 and 4,084.93 is: 6,131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.53 : 7,987.16 = 4,084.93 : x
  2. Step 2: Convert to fraction form
    5,321.53/7,987.16 = 4,084.93/x
  3. Step 3: Cross multiply
    5,321.53x = 7,987.16 × 4,084.93
  4. Step 4: Simplify right side
    5,321.53x = 32,626,989.50
  5. Step 5: Solve for x
    x = 32,626,989.50/5,321.53
  6. Step 6: Final answer
    x = 6,131.13

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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.