Home / 7,860.20-10,846.66-4,322.72

Finding the Fourth Proportional to 7,860.20, 10,846.66 and 4,322.72

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Solution

The fourth proportional to 7,860.20, 10,846.66 and 4,322.72 is: 5,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.20 : 10,846.66 = 4,322.72 : x
  2. Step 2: Convert to fraction form
    7,860.20/10,846.66 = 4,322.72/x
  3. Step 3: Cross multiply
    7,860.20x = 10,846.66 × 4,322.72
  4. Step 4: Simplify right side
    7,860.20x = 46,887,074.12
  5. Step 5: Solve for x
    x = 46,887,074.12/7,860.20
  6. Step 6: Final answer
    x = 5,965.12

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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.