Home / 7,386.80-10,191.96-4,514.79

Finding the Fourth Proportional to 7,386.80, 10,191.96 and 4,514.79

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Solution

The fourth proportional to 7,386.80, 10,191.96 and 4,514.79 is: 6,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.80 : 10,191.96 = 4,514.79 : x
  2. Step 2: Convert to fraction form
    7,386.80/10,191.96 = 4,514.79/x
  3. Step 3: Cross multiply
    7,386.80x = 10,191.96 × 4,514.79
  4. Step 4: Simplify right side
    7,386.80x = 46,014,559.09
  5. Step 5: Solve for x
    x = 46,014,559.09/7,386.80
  6. Step 6: Final answer
    x = 6,229.30

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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.