Home / 7,407.24-10,217.55-4,889.40

Finding the Fourth Proportional to 7,407.24, 10,217.55 and 4,889.40

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Solution

The fourth proportional to 7,407.24, 10,217.55 and 4,889.40 is: 6,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.24 : 10,217.55 = 4,889.40 : x
  2. Step 2: Convert to fraction form
    7,407.24/10,217.55 = 4,889.40/x
  3. Step 3: Cross multiply
    7,407.24x = 10,217.55 × 4,889.40
  4. Step 4: Simplify right side
    7,407.24x = 49,957,688.97
  5. Step 5: Solve for x
    x = 49,957,688.97/7,407.24
  6. Step 6: Final answer
    x = 6,744.44

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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.