Home / 7,258.68-10,016.85-4,071.99

Finding the Fourth Proportional to 7,258.68, 10,016.85 and 4,071.99

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Solution

The fourth proportional to 7,258.68, 10,016.85 and 4,071.99 is: 5,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.68 : 10,016.85 = 4,071.99 : x
  2. Step 2: Convert to fraction form
    7,258.68/10,016.85 = 4,071.99/x
  3. Step 3: Cross multiply
    7,258.68x = 10,016.85 × 4,071.99
  4. Step 4: Simplify right side
    7,258.68x = 40,788,513.03
  5. Step 5: Solve for x
    x = 40,788,513.03/7,258.68
  6. Step 6: Final answer
    x = 5,619.27

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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.