Home / 8,357.32-12,536.20-2,810.76

Finding the Fourth Proportional to 8,357.32, 12,536.20 and 2,810.76

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Solution

The fourth proportional to 8,357.32, 12,536.20 and 2,810.76 is: 4,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.32 : 12,536.20 = 2,810.76 : x
  2. Step 2: Convert to fraction form
    8,357.32/12,536.20 = 2,810.76/x
  3. Step 3: Cross multiply
    8,357.32x = 12,536.20 × 2,810.76
  4. Step 4: Simplify right side
    8,357.32x = 35,236,249.51
  5. Step 5: Solve for x
    x = 35,236,249.51/8,357.32
  6. Step 6: Final answer
    x = 4,216.21

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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.