Home / 7,561.98-10,434.60-4,579.20

Finding the Fourth Proportional to 7,561.98, 10,434.60 and 4,579.20

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Solution

The fourth proportional to 7,561.98, 10,434.60 and 4,579.20 is: 6,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.98 : 10,434.60 = 4,579.20 : x
  2. Step 2: Convert to fraction form
    7,561.98/10,434.60 = 4,579.20/x
  3. Step 3: Cross multiply
    7,561.98x = 10,434.60 × 4,579.20
  4. Step 4: Simplify right side
    7,561.98x = 47,782,120.32
  5. Step 5: Solve for x
    x = 47,782,120.32/7,561.98
  6. Step 6: Final answer
    x = 6,318.73

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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.