Home / 8,199.31-12,298.87-2,355.93

Finding the Fourth Proportional to 8,199.31, 12,298.87 and 2,355.93

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Solution

The fourth proportional to 8,199.31, 12,298.87 and 2,355.93 is: 3,533.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.31 : 12,298.87 = 2,355.93 : x
  2. Step 2: Convert to fraction form
    8,199.31/12,298.87 = 2,355.93/x
  3. Step 3: Cross multiply
    8,199.31x = 12,298.87 × 2,355.93
  4. Step 4: Simplify right side
    8,199.31x = 28,975,276.80
  5. Step 5: Solve for x
    x = 28,975,276.80/8,199.31
  6. Step 6: Final answer
    x = 3,533.87

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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.