Home / 4,931.19-6,805.79-3,018.11

Finding the Fourth Proportional to 4,931.19, 6,805.79 and 3,018.11

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Solution

The fourth proportional to 4,931.19, 6,805.79 and 3,018.11 is: 4,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.19 : 6,805.79 = 3,018.11 : x
  2. Step 2: Convert to fraction form
    4,931.19/6,805.79 = 3,018.11/x
  3. Step 3: Cross multiply
    4,931.19x = 6,805.79 × 3,018.11
  4. Step 4: Simplify right side
    4,931.19x = 20,540,622.86
  5. Step 5: Solve for x
    x = 20,540,622.86/4,931.19
  6. Step 6: Final answer
    x = 4,165.45

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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.