Home / 8,316.36-12,491.10-5,201.88

Finding the Fourth Proportional to 8,316.36, 12,491.10 and 5,201.88

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Solution

The fourth proportional to 8,316.36, 12,491.10 and 5,201.88 is: 7,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.36 : 12,491.10 = 5,201.88 : x
  2. Step 2: Convert to fraction form
    8,316.36/12,491.10 = 5,201.88/x
  3. Step 3: Cross multiply
    8,316.36x = 12,491.10 × 5,201.88
  4. Step 4: Simplify right side
    8,316.36x = 64,977,203.27
  5. Step 5: Solve for x
    x = 64,977,203.27/8,316.36
  6. Step 6: Final answer
    x = 7,813.18

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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.