Home / 7,135.74-10,703.70-2,455.56

Finding the Fourth Proportional to 7,135.74, 10,703.70 and 2,455.56

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Solution

The fourth proportional to 7,135.74, 10,703.70 and 2,455.56 is: 3,683.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.74 : 10,703.70 = 2,455.56 : x
  2. Step 2: Convert to fraction form
    7,135.74/10,703.70 = 2,455.56/x
  3. Step 3: Cross multiply
    7,135.74x = 10,703.70 × 2,455.56
  4. Step 4: Simplify right side
    7,135.74x = 26,283,577.57
  5. Step 5: Solve for x
    x = 26,283,577.57/7,135.74
  6. Step 6: Final answer
    x = 3,683.37

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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.