Home / 8,321.18-12,473.60-4,154.94

Finding the Fourth Proportional to 8,321.18, 12,473.60 and 4,154.94

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Solution

The fourth proportional to 8,321.18, 12,473.60 and 4,154.94 is: 6,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.18 : 12,473.60 = 4,154.94 : x
  2. Step 2: Convert to fraction form
    8,321.18/12,473.60 = 4,154.94/x
  3. Step 3: Cross multiply
    8,321.18x = 12,473.60 × 4,154.94
  4. Step 4: Simplify right side
    8,321.18x = 51,827,038.81
  5. Step 5: Solve for x
    x = 51,827,038.81/8,321.18
  6. Step 6: Final answer
    x = 6,228.33

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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.