Home / 7,258.56-10,017.30-4,072.15

Finding the Fourth Proportional to 7,258.56, 10,017.30 and 4,072.15

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Solution

The fourth proportional to 7,258.56, 10,017.30 and 4,072.15 is: 5,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.56 : 10,017.30 = 4,072.15 : x
  2. Step 2: Convert to fraction form
    7,258.56/10,017.30 = 4,072.15/x
  3. Step 3: Cross multiply
    7,258.56x = 10,017.30 × 4,072.15
  4. Step 4: Simplify right side
    7,258.56x = 40,791,948.20
  5. Step 5: Solve for x
    x = 40,791,948.20/7,258.56
  6. Step 6: Final answer
    x = 5,619.84

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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.