Home / 7,925.96-10,938.09-4,739.15

Finding the Fourth Proportional to 7,925.96, 10,938.09 and 4,739.15

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Solution

The fourth proportional to 7,925.96, 10,938.09 and 4,739.15 is: 6,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.96 : 10,938.09 = 4,739.15 : x
  2. Step 2: Convert to fraction form
    7,925.96/10,938.09 = 4,739.15/x
  3. Step 3: Cross multiply
    7,925.96x = 10,938.09 × 4,739.15
  4. Step 4: Simplify right side
    7,925.96x = 51,837,194.53
  5. Step 5: Solve for x
    x = 51,837,194.53/7,925.96
  6. Step 6: Final answer
    x = 6,540.18

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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.