Home / 5,018.61-6,920.19-3,742.86

Finding the Fourth Proportional to 5,018.61, 6,920.19 and 3,742.86

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Solution

The fourth proportional to 5,018.61, 6,920.19 and 3,742.86 is: 5,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.61 : 6,920.19 = 3,742.86 : x
  2. Step 2: Convert to fraction form
    5,018.61/6,920.19 = 3,742.86/x
  3. Step 3: Cross multiply
    5,018.61x = 6,920.19 × 3,742.86
  4. Step 4: Simplify right side
    5,018.61x = 25,901,302.34
  5. Step 5: Solve for x
    x = 25,901,302.34/5,018.61
  6. Step 6: Final answer
    x = 5,161.05

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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.