Home / 8,374.06-12,561.36-2,530.72

Finding the Fourth Proportional to 8,374.06, 12,561.36 and 2,530.72

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Solution

The fourth proportional to 8,374.06, 12,561.36 and 2,530.72 is: 3,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.06 : 12,561.36 = 2,530.72 : x
  2. Step 2: Convert to fraction form
    8,374.06/12,561.36 = 2,530.72/x
  3. Step 3: Cross multiply
    8,374.06x = 12,561.36 × 2,530.72
  4. Step 4: Simplify right side
    8,374.06x = 31,789,284.98
  5. Step 5: Solve for x
    x = 31,789,284.98/8,374.06
  6. Step 6: Final answer
    x = 3,796.16

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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.