Home / 8,973.60-12,383.46-5,247.60

Finding the Fourth Proportional to 8,973.60, 12,383.46 and 5,247.60

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Solution

The fourth proportional to 8,973.60, 12,383.46 and 5,247.60 is: 7,241.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.60 : 12,383.46 = 5,247.60 : x
  2. Step 2: Convert to fraction form
    8,973.60/12,383.46 = 5,247.60/x
  3. Step 3: Cross multiply
    8,973.60x = 12,383.46 × 5,247.60
  4. Step 4: Simplify right side
    8,973.60x = 64,983,444.70
  5. Step 5: Solve for x
    x = 64,983,444.70/8,973.60
  6. Step 6: Final answer
    x = 7,241.62

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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.