Home / 8,309.48-12,462.90-2,762.36

Finding the Fourth Proportional to 8,309.48, 12,462.90 and 2,762.36

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Solution

The fourth proportional to 8,309.48, 12,462.90 and 2,762.36 is: 4,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.48 : 12,462.90 = 2,762.36 : x
  2. Step 2: Convert to fraction form
    8,309.48/12,462.90 = 2,762.36/x
  3. Step 3: Cross multiply
    8,309.48x = 12,462.90 × 2,762.36
  4. Step 4: Simplify right side
    8,309.48x = 34,427,016.44
  5. Step 5: Solve for x
    x = 34,427,016.44/8,309.48
  6. Step 6: Final answer
    x = 4,143.10

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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.