Home / 5,112.76-7,058.88-3,347.36

Finding the Fourth Proportional to 5,112.76, 7,058.88 and 3,347.36

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Solution

The fourth proportional to 5,112.76, 7,058.88 and 3,347.36 is: 4,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.76 : 7,058.88 = 3,347.36 : x
  2. Step 2: Convert to fraction form
    5,112.76/7,058.88 = 3,347.36/x
  3. Step 3: Cross multiply
    5,112.76x = 7,058.88 × 3,347.36
  4. Step 4: Simplify right side
    5,112.76x = 23,628,612.56
  5. Step 5: Solve for x
    x = 23,628,612.56/5,112.76
  6. Step 6: Final answer
    x = 4,621.50

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Double scale
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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.