Home / 6,939.42-10,403.65-2,554.48

Finding the Fourth Proportional to 6,939.42, 10,403.65 and 2,554.48

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Solution

The fourth proportional to 6,939.42, 10,403.65 and 2,554.48 is: 3,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.42 : 10,403.65 = 2,554.48 : x
  2. Step 2: Convert to fraction form
    6,939.42/10,403.65 = 2,554.48/x
  3. Step 3: Cross multiply
    6,939.42x = 10,403.65 × 2,554.48
  4. Step 4: Simplify right side
    6,939.42x = 26,575,915.85
  5. Step 5: Solve for x
    x = 26,575,915.85/6,939.42
  6. Step 6: Final answer
    x = 3,829.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.