Home / 7,579.17-10,459.80-4,221.99

Finding the Fourth Proportional to 7,579.17, 10,459.80 and 4,221.99

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Solution

The fourth proportional to 7,579.17, 10,459.80 and 4,221.99 is: 5,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.17 : 10,459.80 = 4,221.99 : x
  2. Step 2: Convert to fraction form
    7,579.17/10,459.80 = 4,221.99/x
  3. Step 3: Cross multiply
    7,579.17x = 10,459.80 × 4,221.99
  4. Step 4: Simplify right side
    7,579.17x = 44,161,171.00
  5. Step 5: Solve for x
    x = 44,161,171.00/7,579.17
  6. Step 6: Final answer
    x = 5,826.65

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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.