Home / 7,579.80-10,460.10-4,222.92

Finding the Fourth Proportional to 7,579.80, 10,460.10 and 4,222.92

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Solution

The fourth proportional to 7,579.80, 10,460.10 and 4,222.92 is: 5,827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.80 : 10,460.10 = 4,222.92 : x
  2. Step 2: Convert to fraction form
    7,579.80/10,460.10 = 4,222.92/x
  3. Step 3: Cross multiply
    7,579.80x = 10,460.10 × 4,222.92
  4. Step 4: Simplify right side
    7,579.80x = 44,172,165.49
  5. Step 5: Solve for x
    x = 44,172,165.49/7,579.80
  6. Step 6: Final answer
    x = 5,827.62

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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.