Home / 8,022.56-12,038.16-3,345.80

Finding the Fourth Proportional to 8,022.56, 12,038.16 and 3,345.80

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Solution

The fourth proportional to 8,022.56, 12,038.16 and 3,345.80 is: 5,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.56 : 12,038.16 = 3,345.80 : x
  2. Step 2: Convert to fraction form
    8,022.56/12,038.16 = 3,345.80/x
  3. Step 3: Cross multiply
    8,022.56x = 12,038.16 × 3,345.80
  4. Step 4: Simplify right side
    8,022.56x = 40,277,275.73
  5. Step 5: Solve for x
    x = 40,277,275.73/8,022.56
  6. Step 6: Final answer
    x = 5,020.50

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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.