Home / 7,403.08-10,217.96-4,885.64

Finding the Fourth Proportional to 7,403.08, 10,217.96 and 4,885.64

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Solution

The fourth proportional to 7,403.08, 10,217.96 and 4,885.64 is: 6,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.08 : 10,217.96 = 4,885.64 : x
  2. Step 2: Convert to fraction form
    7,403.08/10,217.96 = 4,885.64/x
  3. Step 3: Cross multiply
    7,403.08x = 10,217.96 × 4,885.64
  4. Step 4: Simplify right side
    7,403.08x = 49,921,274.09
  5. Step 5: Solve for x
    x = 49,921,274.09/7,403.08
  6. Step 6: Final answer
    x = 6,743.31

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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.