Home / 5,421.16-8,144.70-3,477.16

Finding the Fourth Proportional to 5,421.16, 8,144.70 and 3,477.16

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Solution

The fourth proportional to 5,421.16, 8,144.70 and 3,477.16 is: 5,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.16 : 8,144.70 = 3,477.16 : x
  2. Step 2: Convert to fraction form
    5,421.16/8,144.70 = 3,477.16/x
  3. Step 3: Cross multiply
    5,421.16x = 8,144.70 × 3,477.16
  4. Step 4: Simplify right side
    5,421.16x = 28,320,425.05
  5. Step 5: Solve for x
    x = 28,320,425.05/5,421.16
  6. Step 6: Final answer
    x = 5,224.05

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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.