Home / 8,305.56-11,459.58-5,655.66

Finding the Fourth Proportional to 8,305.56, 11,459.58 and 5,655.66

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Solution

The fourth proportional to 8,305.56, 11,459.58 and 5,655.66 is: 7,803.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.56 : 11,459.58 = 5,655.66 : x
  2. Step 2: Convert to fraction form
    8,305.56/11,459.58 = 5,655.66/x
  3. Step 3: Cross multiply
    8,305.56x = 11,459.58 × 5,655.66
  4. Step 4: Simplify right side
    8,305.56x = 64,811,488.22
  5. Step 5: Solve for x
    x = 64,811,488.22/8,305.56
  6. Step 6: Final answer
    x = 7,803.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.