Home / 7,716.12-10,647.72-4,359.06

Finding the Fourth Proportional to 7,716.12, 10,647.72 and 4,359.06

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Solution

The fourth proportional to 7,716.12, 10,647.72 and 4,359.06 is: 6,015.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.12 : 10,647.72 = 4,359.06 : x
  2. Step 2: Convert to fraction form
    7,716.12/10,647.72 = 4,359.06/x
  3. Step 3: Cross multiply
    7,716.12x = 10,647.72 × 4,359.06
  4. Step 4: Simplify right side
    7,716.12x = 46,414,050.34
  5. Step 5: Solve for x
    x = 46,414,050.34/7,716.12
  6. Step 6: Final answer
    x = 6,015.21

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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.