Home / 8,146.56-12,218.31-2,303.13

Finding the Fourth Proportional to 8,146.56, 12,218.31 and 2,303.13

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Solution

The fourth proportional to 8,146.56, 12,218.31 and 2,303.13 is: 3,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.56 : 12,218.31 = 2,303.13 : x
  2. Step 2: Convert to fraction form
    8,146.56/12,218.31 = 2,303.13/x
  3. Step 3: Cross multiply
    8,146.56x = 12,218.31 × 2,303.13
  4. Step 4: Simplify right side
    8,146.56x = 28,140,356.31
  5. Step 5: Solve for x
    x = 28,140,356.31/8,146.56
  6. Step 6: Final answer
    x = 3,454.26

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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.