Home / 5,157.49-7,117.28-3,034.39

Finding the Fourth Proportional to 5,157.49, 7,117.28 and 3,034.39

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Solution

The fourth proportional to 5,157.49, 7,117.28 and 3,034.39 is: 4,187.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.49 : 7,117.28 = 3,034.39 : x
  2. Step 2: Convert to fraction form
    5,157.49/7,117.28 = 3,034.39/x
  3. Step 3: Cross multiply
    5,157.49x = 7,117.28 × 3,034.39
  4. Step 4: Simplify right side
    5,157.49x = 21,596,588.09
  5. Step 5: Solve for x
    x = 21,596,588.09/5,157.49
  6. Step 6: Final answer
    x = 4,187.42

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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.