Home / 7,513.92-11,254.44-4,225.20

Finding the Fourth Proportional to 7,513.92, 11,254.44 and 4,225.20

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Solution

The fourth proportional to 7,513.92, 11,254.44 and 4,225.20 is: 6,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.92 : 11,254.44 = 4,225.20 : x
  2. Step 2: Convert to fraction form
    7,513.92/11,254.44 = 4,225.20/x
  3. Step 3: Cross multiply
    7,513.92x = 11,254.44 × 4,225.20
  4. Step 4: Simplify right side
    7,513.92x = 47,552,259.89
  5. Step 5: Solve for x
    x = 47,552,259.89/7,513.92
  6. Step 6: Final answer
    x = 6,328.56

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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.