Home / 6,938.70-10,407.57-1,744.62

Finding the Fourth Proportional to 6,938.70, 10,407.57 and 1,744.62

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Solution

The fourth proportional to 6,938.70, 10,407.57 and 1,744.62 is: 2,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.70 : 10,407.57 = 1,744.62 : x
  2. Step 2: Convert to fraction form
    6,938.70/10,407.57 = 1,744.62/x
  3. Step 3: Cross multiply
    6,938.70x = 10,407.57 × 1,744.62
  4. Step 4: Simplify right side
    6,938.70x = 18,157,254.77
  5. Step 5: Solve for x
    x = 18,157,254.77/6,938.70
  6. Step 6: Final answer
    x = 2,616.81

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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.