Home / 7,347.89-10,140.33-4,514.33

Finding the Fourth Proportional to 7,347.89, 10,140.33 and 4,514.33

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Solution

The fourth proportional to 7,347.89, 10,140.33 and 4,514.33 is: 6,229.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.89 : 10,140.33 = 4,514.33 : x
  2. Step 2: Convert to fraction form
    7,347.89/10,140.33 = 4,514.33/x
  3. Step 3: Cross multiply
    7,347.89x = 10,140.33 × 4,514.33
  4. Step 4: Simplify right side
    7,347.89x = 45,776,795.93
  5. Step 5: Solve for x
    x = 45,776,795.93/7,347.89
  6. Step 6: Final answer
    x = 6,229.92

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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.