Home / 5,388.57-7,436.34-3,152.16

Finding the Fourth Proportional to 5,388.57, 7,436.34 and 3,152.16

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Solution

The fourth proportional to 5,388.57, 7,436.34 and 3,152.16 is: 4,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.57 : 7,436.34 = 3,152.16 : x
  2. Step 2: Convert to fraction form
    5,388.57/7,436.34 = 3,152.16/x
  3. Step 3: Cross multiply
    5,388.57x = 7,436.34 × 3,152.16
  4. Step 4: Simplify right side
    5,388.57x = 23,440,533.49
  5. Step 5: Solve for x
    x = 23,440,533.49/5,388.57
  6. Step 6: Final answer
    x = 4,350.05

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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.