Home / 8,555.16-12,832.40-3,009.76

Finding the Fourth Proportional to 8,555.16, 12,832.40 and 3,009.76

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Solution

The fourth proportional to 8,555.16, 12,832.40 and 3,009.76 is: 4,514.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.16 : 12,832.40 = 3,009.76 : x
  2. Step 2: Convert to fraction form
    8,555.16/12,832.40 = 3,009.76/x
  3. Step 3: Cross multiply
    8,555.16x = 12,832.40 × 3,009.76
  4. Step 4: Simplify right side
    8,555.16x = 38,622,444.22
  5. Step 5: Solve for x
    x = 38,622,444.22/8,555.16
  6. Step 6: Final answer
    x = 4,514.52

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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.