Home / 6,938.15-10,407.81-2,555.64

Finding the Fourth Proportional to 6,938.15, 10,407.81 and 2,555.64

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Solution

The fourth proportional to 6,938.15, 10,407.81 and 2,555.64 is: 3,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.15 : 10,407.81 = 2,555.64 : x
  2. Step 2: Convert to fraction form
    6,938.15/10,407.81 = 2,555.64/x
  3. Step 3: Cross multiply
    6,938.15x = 10,407.81 × 2,555.64
  4. Step 4: Simplify right side
    6,938.15x = 26,598,615.55
  5. Step 5: Solve for x
    x = 26,598,615.55/6,938.15
  6. Step 6: Final answer
    x = 3,833.68

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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.