Home / 7,619.81-10,514.97-4,261.95

Finding the Fourth Proportional to 7,619.81, 10,514.97 and 4,261.95

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Solution

The fourth proportional to 7,619.81, 10,514.97 and 4,261.95 is: 5,881.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.81 : 10,514.97 = 4,261.95 : x
  2. Step 2: Convert to fraction form
    7,619.81/10,514.97 = 4,261.95/x
  3. Step 3: Cross multiply
    7,619.81x = 10,514.97 × 4,261.95
  4. Step 4: Simplify right side
    7,619.81x = 44,814,276.39
  5. Step 5: Solve for x
    x = 44,814,276.39/7,619.81
  6. Step 6: Final answer
    x = 5,881.29

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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.