Home / 4,508.10-6,762.79-1,388.37

Finding the Fourth Proportional to 4,508.10, 6,762.79 and 1,388.37

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Solution

The fourth proportional to 4,508.10, 6,762.79 and 1,388.37 is: 2,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.10 : 6,762.79 = 1,388.37 : x
  2. Step 2: Convert to fraction form
    4,508.10/6,762.79 = 1,388.37/x
  3. Step 3: Cross multiply
    4,508.10x = 6,762.79 × 1,388.37
  4. Step 4: Simplify right side
    4,508.10x = 9,389,254.75
  5. Step 5: Solve for x
    x = 9,389,254.75/4,508.10
  6. Step 6: Final answer
    x = 2,082.75

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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.