Home / 7,608.09-10,499.70-4,422.40

Finding the Fourth Proportional to 7,608.09, 10,499.70 and 4,422.40

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Solution

The fourth proportional to 7,608.09, 10,499.70 and 4,422.40 is: 6,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.09 : 10,499.70 = 4,422.40 : x
  2. Step 2: Convert to fraction form
    7,608.09/10,499.70 = 4,422.40/x
  3. Step 3: Cross multiply
    7,608.09x = 10,499.70 × 4,422.40
  4. Step 4: Simplify right side
    7,608.09x = 46,433,873.28
  5. Step 5: Solve for x
    x = 46,433,873.28/7,608.09
  6. Step 6: Final answer
    x = 6,103.23

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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.