Home / 7,014.24-9,678.92-4,142.52

Finding the Fourth Proportional to 7,014.24, 9,678.92 and 4,142.52

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Solution

The fourth proportional to 7,014.24, 9,678.92 and 4,142.52 is: 5,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.24 : 9,678.92 = 4,142.52 : x
  2. Step 2: Convert to fraction form
    7,014.24/9,678.92 = 4,142.52/x
  3. Step 3: Cross multiply
    7,014.24x = 9,678.92 × 4,142.52
  4. Step 4: Simplify right side
    7,014.24x = 40,095,119.68
  5. Step 5: Solve for x
    x = 40,095,119.68/7,014.24
  6. Step 6: Final answer
    x = 5,716.25

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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.