Home / 7,866.20-10,851.72-4,716.92

Finding the Fourth Proportional to 7,866.20, 10,851.72 and 4,716.92

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Solution

The fourth proportional to 7,866.20, 10,851.72 and 4,716.92 is: 6,507.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.20 : 10,851.72 = 4,716.92 : x
  2. Step 2: Convert to fraction form
    7,866.20/10,851.72 = 4,716.92/x
  3. Step 3: Cross multiply
    7,866.20x = 10,851.72 × 4,716.92
  4. Step 4: Simplify right side
    7,866.20x = 51,186,695.10
  5. Step 5: Solve for x
    x = 51,186,695.10/7,866.20
  6. Step 6: Final answer
    x = 6,507.17

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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.