Home / 7,249.91-10,014.64-5,470.84

Finding the Fourth Proportional to 7,249.91, 10,014.64 and 5,470.84

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Solution

The fourth proportional to 7,249.91, 10,014.64 and 5,470.84 is: 7,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.91 : 10,014.64 = 5,470.84 : x
  2. Step 2: Convert to fraction form
    7,249.91/10,014.64 = 5,470.84/x
  3. Step 3: Cross multiply
    7,249.91x = 10,014.64 × 5,470.84
  4. Step 4: Simplify right side
    7,249.91x = 54,788,491.94
  5. Step 5: Solve for x
    x = 54,788,491.94/7,249.91
  6. Step 6: Final answer
    x = 7,557.13

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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.