Home / 7,615.20-10,508.60-4,258.16

Finding the Fourth Proportional to 7,615.20, 10,508.60 and 4,258.16

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Solution

The fourth proportional to 7,615.20, 10,508.60 and 4,258.16 is: 5,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.20 : 10,508.60 = 4,258.16 : x
  2. Step 2: Convert to fraction form
    7,615.20/10,508.60 = 4,258.16/x
  3. Step 3: Cross multiply
    7,615.20x = 10,508.60 × 4,258.16
  4. Step 4: Simplify right side
    7,615.20x = 44,747,300.18
  5. Step 5: Solve for x
    x = 44,747,300.18/7,615.20
  6. Step 6: Final answer
    x = 5,876.05

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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.