Home / 8,707.05-13,053.38-4,327.56

Finding the Fourth Proportional to 8,707.05, 13,053.38 and 4,327.56

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Solution

The fourth proportional to 8,707.05, 13,053.38 and 4,327.56 is: 6,487.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.05 : 13,053.38 = 4,327.56 : x
  2. Step 2: Convert to fraction form
    8,707.05/13,053.38 = 4,327.56/x
  3. Step 3: Cross multiply
    8,707.05x = 13,053.38 × 4,327.56
  4. Step 4: Simplify right side
    8,707.05x = 56,489,263.52
  5. Step 5: Solve for x
    x = 56,489,263.52/8,707.05
  6. Step 6: Final answer
    x = 6,487.76

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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.