Home / 4,609.20-6,913.56-1,146.48

Finding the Fourth Proportional to 4,609.20, 6,913.56 and 1,146.48

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Solution

The fourth proportional to 4,609.20, 6,913.56 and 1,146.48 is: 1,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.20 : 6,913.56 = 1,146.48 : x
  2. Step 2: Convert to fraction form
    4,609.20/6,913.56 = 1,146.48/x
  3. Step 3: Cross multiply
    4,609.20x = 6,913.56 × 1,146.48
  4. Step 4: Simplify right side
    4,609.20x = 7,926,258.27
  5. Step 5: Solve for x
    x = 7,926,258.27/4,609.20
  6. Step 6: Final answer
    x = 1,719.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.