Home / 4,911.13-6,777.54-2,672.90

Finding the Fourth Proportional to 4,911.13, 6,777.54 and 2,672.90

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Solution

The fourth proportional to 4,911.13, 6,777.54 and 2,672.90 is: 3,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.13 : 6,777.54 = 2,672.90 : x
  2. Step 2: Convert to fraction form
    4,911.13/6,777.54 = 2,672.90/x
  3. Step 3: Cross multiply
    4,911.13x = 6,777.54 × 2,672.90
  4. Step 4: Simplify right side
    4,911.13x = 18,115,678.19
  5. Step 5: Solve for x
    x = 18,115,678.19/4,911.13
  6. Step 6: Final answer
    x = 3,688.70

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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.