Home / 6,176.61-8,515.13-5,228.64

Finding the Fourth Proportional to 6,176.61, 8,515.13 and 5,228.64

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Solution

The fourth proportional to 6,176.61, 8,515.13 and 5,228.64 is: 7,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,176.61 : 8,515.13 = 5,228.64 : x
  2. Step 2: Convert to fraction form
    6,176.61/8,515.13 = 5,228.64/x
  3. Step 3: Cross multiply
    6,176.61x = 8,515.13 × 5,228.64
  4. Step 4: Simplify right side
    6,176.61x = 44,522,523.18
  5. Step 5: Solve for x
    x = 44,522,523.18/6,176.61
  6. Step 6: Final answer
    x = 7,208.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.