Home / 5,464.40-7,541.68-3,106.76

Finding the Fourth Proportional to 5,464.40, 7,541.68 and 3,106.76

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Solution

The fourth proportional to 5,464.40, 7,541.68 and 3,106.76 is: 4,287.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.40 : 7,541.68 = 3,106.76 : x
  2. Step 2: Convert to fraction form
    5,464.40/7,541.68 = 3,106.76/x
  3. Step 3: Cross multiply
    5,464.40x = 7,541.68 × 3,106.76
  4. Step 4: Simplify right side
    5,464.40x = 23,430,189.76
  5. Step 5: Solve for x
    x = 23,430,189.76/5,464.40
  6. Step 6: Final answer
    x = 4,287.79

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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.