Home / 7,579.30-10,459.20-4,222.12

Finding the Fourth Proportional to 7,579.30, 10,459.20 and 4,222.12

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Solution

The fourth proportional to 7,579.30, 10,459.20 and 4,222.12 is: 5,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.30 : 10,459.20 = 4,222.12 : x
  2. Step 2: Convert to fraction form
    7,579.30/10,459.20 = 4,222.12/x
  3. Step 3: Cross multiply
    7,579.30x = 10,459.20 × 4,222.12
  4. Step 4: Simplify right side
    7,579.30x = 44,159,997.50
  5. Step 5: Solve for x
    x = 44,159,997.50/7,579.30
  6. Step 6: Final answer
    x = 5,826.40

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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.