Home / 8,197.69-11,312.70-4,840.64

Finding the Fourth Proportional to 8,197.69, 11,312.70 and 4,840.64

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Solution

The fourth proportional to 8,197.69, 11,312.70 and 4,840.64 is: 6,680.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197.69 : 11,312.70 = 4,840.64 : x
  2. Step 2: Convert to fraction form
    8,197.69/11,312.70 = 4,840.64/x
  3. Step 3: Cross multiply
    8,197.69x = 11,312.70 × 4,840.64
  4. Step 4: Simplify right side
    8,197.69x = 54,760,708.13
  5. Step 5: Solve for x
    x = 54,760,708.13/8,197.69
  6. Step 6: Final answer
    x = 6,680.02

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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.