Home / 6,938.53-10,402.93-2,555.43

Finding the Fourth Proportional to 6,938.53, 10,402.93 and 2,555.43

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Solution

The fourth proportional to 6,938.53, 10,402.93 and 2,555.43 is: 3,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.53 : 10,402.93 = 2,555.43 : x
  2. Step 2: Convert to fraction form
    6,938.53/10,402.93 = 2,555.43/x
  3. Step 3: Cross multiply
    6,938.53x = 10,402.93 × 2,555.43
  4. Step 4: Simplify right side
    6,938.53x = 26,583,959.41
  5. Step 5: Solve for x
    x = 26,583,959.41/6,938.53
  6. Step 6: Final answer
    x = 3,831.35

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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.