Home / 7,473.87-10,312.25-4,820.85

Finding the Fourth Proportional to 7,473.87, 10,312.25 and 4,820.85

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Solution

The fourth proportional to 7,473.87, 10,312.25 and 4,820.85 is: 6,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.87 : 10,312.25 = 4,820.85 : x
  2. Step 2: Convert to fraction form
    7,473.87/10,312.25 = 4,820.85/x
  3. Step 3: Cross multiply
    7,473.87x = 10,312.25 × 4,820.85
  4. Step 4: Simplify right side
    7,473.87x = 49,713,786.31
  5. Step 5: Solve for x
    x = 49,713,786.31/7,473.87
  6. Step 6: Final answer
    x = 6,651.68

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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.