Home / 7,619.48-10,514.34-4,262.12

Finding the Fourth Proportional to 7,619.48, 10,514.34 and 4,262.12

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Solution

The fourth proportional to 7,619.48, 10,514.34 and 4,262.12 is: 5,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.48 : 10,514.34 = 4,262.12 : x
  2. Step 2: Convert to fraction form
    7,619.48/10,514.34 = 4,262.12/x
  3. Step 3: Cross multiply
    7,619.48x = 10,514.34 × 4,262.12
  4. Step 4: Simplify right side
    7,619.48x = 44,813,378.80
  5. Step 5: Solve for x
    x = 44,813,378.80/7,619.48
  6. Step 6: Final answer
    x = 5,881.42

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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.