Home / 4,509.44-6,762.30-1,388.68

Finding the Fourth Proportional to 4,509.44, 6,762.30 and 1,388.68

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Solution

The fourth proportional to 4,509.44, 6,762.30 and 1,388.68 is: 2,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.44 : 6,762.30 = 1,388.68 : x
  2. Step 2: Convert to fraction form
    4,509.44/6,762.30 = 1,388.68/x
  3. Step 3: Cross multiply
    4,509.44x = 6,762.30 × 1,388.68
  4. Step 4: Simplify right side
    4,509.44x = 9,390,670.76
  5. Step 5: Solve for x
    x = 9,390,670.76/4,509.44
  6. Step 6: Final answer
    x = 2,082.45

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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.