Home / 9,176.40-12,662.96-4,984.64

Finding the Fourth Proportional to 9,176.40, 12,662.96 and 4,984.64

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Solution

The fourth proportional to 9,176.40, 12,662.96 and 4,984.64 is: 6,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.40 : 12,662.96 = 4,984.64 : x
  2. Step 2: Convert to fraction form
    9,176.40/12,662.96 = 4,984.64/x
  3. Step 3: Cross multiply
    9,176.40x = 12,662.96 × 4,984.64
  4. Step 4: Simplify right side
    9,176.40x = 63,120,296.93
  5. Step 5: Solve for x
    x = 63,120,296.93/9,176.40
  6. Step 6: Final answer
    x = 6,878.55

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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.