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Finding the Fourth Proportional to 8,352.71, 12,530.22 and 2,807.64

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Solution

The fourth proportional to 8,352.71, 12,530.22 and 2,807.64 is: 4,211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.71 : 12,530.22 = 2,807.64 : x
  2. Step 2: Convert to fraction form
    8,352.71/12,530.22 = 2,807.64/x
  3. Step 3: Cross multiply
    8,352.71x = 12,530.22 × 2,807.64
  4. Step 4: Simplify right side
    8,352.71x = 35,180,270.19
  5. Step 5: Solve for x
    x = 35,180,270.19/8,352.71
  6. Step 6: Final answer
    x = 4,211.84

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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.