Home / 8,345.49-12,518.23-2,502.09

Finding the Fourth Proportional to 8,345.49, 12,518.23 and 2,502.09

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Solution

The fourth proportional to 8,345.49, 12,518.23 and 2,502.09 is: 3,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.49 : 12,518.23 = 2,502.09 : x
  2. Step 2: Convert to fraction form
    8,345.49/12,518.23 = 2,502.09/x
  3. Step 3: Cross multiply
    8,345.49x = 12,518.23 × 2,502.09
  4. Step 4: Simplify right side
    8,345.49x = 31,321,738.10
  5. Step 5: Solve for x
    x = 31,321,738.10/8,345.49
  6. Step 6: Final answer
    x = 3,753.13

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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.