Home / 7,418.09-10,237.11-4,434.05

Finding the Fourth Proportional to 7,418.09, 10,237.11 and 4,434.05

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Solution

The fourth proportional to 7,418.09, 10,237.11 and 4,434.05 is: 6,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.09 : 10,237.11 = 4,434.05 : x
  2. Step 2: Convert to fraction form
    7,418.09/10,237.11 = 4,434.05/x
  3. Step 3: Cross multiply
    7,418.09x = 10,237.11 × 4,434.05
  4. Step 4: Simplify right side
    7,418.09x = 45,391,857.60
  5. Step 5: Solve for x
    x = 45,391,857.60/7,418.09
  6. Step 6: Final answer
    x = 6,119.08

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Half scale
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Double scale
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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.