Home / 5,135.58-7,090.56-3,370.18

Finding the Fourth Proportional to 5,135.58, 7,090.56 and 3,370.18

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Solution

The fourth proportional to 5,135.58, 7,090.56 and 3,370.18 is: 4,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.58 : 7,090.56 = 3,370.18 : x
  2. Step 2: Convert to fraction form
    5,135.58/7,090.56 = 3,370.18/x
  3. Step 3: Cross multiply
    5,135.58x = 7,090.56 × 3,370.18
  4. Step 4: Simplify right side
    5,135.58x = 23,896,463.50
  5. Step 5: Solve for x
    x = 23,896,463.50/5,135.58
  6. Step 6: Final answer
    x = 4,653.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.