Home / 5,419.04-8,115.84-4,176.64

Finding the Fourth Proportional to 5,419.04, 8,115.84 and 4,176.64

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Solution

The fourth proportional to 5,419.04, 8,115.84 and 4,176.64 is: 6,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.04 : 8,115.84 = 4,176.64 : x
  2. Step 2: Convert to fraction form
    5,419.04/8,115.84 = 4,176.64/x
  3. Step 3: Cross multiply
    5,419.04x = 8,115.84 × 4,176.64
  4. Step 4: Simplify right side
    5,419.04x = 33,896,941.98
  5. Step 5: Solve for x
    x = 33,896,941.98/5,419.04
  6. Step 6: Final answer
    x = 6,255.16

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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.