Home / 4,508.51-6,762.78-1,388.50

Finding the Fourth Proportional to 4,508.51, 6,762.78 and 1,388.50

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Solution

The fourth proportional to 4,508.51, 6,762.78 and 1,388.50 is: 2,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.51 : 6,762.78 = 1,388.50 : x
  2. Step 2: Convert to fraction form
    4,508.51/6,762.78 = 1,388.50/x
  3. Step 3: Cross multiply
    4,508.51x = 6,762.78 × 1,388.50
  4. Step 4: Simplify right side
    4,508.51x = 9,390,086.22
  5. Step 5: Solve for x
    x = 9,390,086.22/4,508.51
  6. Step 6: Final answer
    x = 2,082.75

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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.