Home / 7,258.50-10,016.73-4,114.89

Finding the Fourth Proportional to 7,258.50, 10,016.73 and 4,114.89

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Solution

The fourth proportional to 7,258.50, 10,016.73 and 4,114.89 is: 5,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.50 : 10,016.73 = 4,114.89 : x
  2. Step 2: Convert to fraction form
    7,258.50/10,016.73 = 4,114.89/x
  3. Step 3: Cross multiply
    7,258.50x = 10,016.73 × 4,114.89
  4. Step 4: Simplify right side
    7,258.50x = 41,217,742.11
  5. Step 5: Solve for x
    x = 41,217,742.11/7,258.50
  6. Step 6: Final answer
    x = 5,678.55

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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.