Home / 8,084.21-12,130.44-4,757.24

Finding the Fourth Proportional to 8,084.21, 12,130.44 and 4,757.24

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Solution

The fourth proportional to 8,084.21, 12,130.44 and 4,757.24 is: 7,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.21 : 12,130.44 = 4,757.24 : x
  2. Step 2: Convert to fraction form
    8,084.21/12,130.44 = 4,757.24/x
  3. Step 3: Cross multiply
    8,084.21x = 12,130.44 × 4,757.24
  4. Step 4: Simplify right side
    8,084.21x = 57,707,444.71
  5. Step 5: Solve for x
    x = 57,707,444.71/8,084.21
  6. Step 6: Final answer
    x = 7,138.29

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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.