Home / 7,331.86-10,116.21-4,145.22

Finding the Fourth Proportional to 7,331.86, 10,116.21 and 4,145.22

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Solution

The fourth proportional to 7,331.86, 10,116.21 and 4,145.22 is: 5,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.86 : 10,116.21 = 4,145.22 : x
  2. Step 2: Convert to fraction form
    7,331.86/10,116.21 = 4,145.22/x
  3. Step 3: Cross multiply
    7,331.86x = 10,116.21 × 4,145.22
  4. Step 4: Simplify right side
    7,331.86x = 41,933,916.02
  5. Step 5: Solve for x
    x = 41,933,916.02/7,331.86
  6. Step 6: Final answer
    x = 5,719.41

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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.