Home / 7,604.88-11,412.84-4,320.72

Finding the Fourth Proportional to 7,604.88, 11,412.84 and 4,320.72

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Solution

The fourth proportional to 7,604.88, 11,412.84 and 4,320.72 is: 6,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,604.88 : 11,412.84 = 4,320.72 : x
  2. Step 2: Convert to fraction form
    7,604.88/11,412.84 = 4,320.72/x
  3. Step 3: Cross multiply
    7,604.88x = 11,412.84 × 4,320.72
  4. Step 4: Simplify right side
    7,604.88x = 49,311,686.04
  5. Step 5: Solve for x
    x = 49,311,686.04/7,604.88
  6. Step 6: Final answer
    x = 6,484.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.