Home / 4,668.77-6,442.67-2,679.28

Finding the Fourth Proportional to 4,668.77, 6,442.67 and 2,679.28

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Solution

The fourth proportional to 4,668.77, 6,442.67 and 2,679.28 is: 3,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.77 : 6,442.67 = 2,679.28 : x
  2. Step 2: Convert to fraction form
    4,668.77/6,442.67 = 2,679.28/x
  3. Step 3: Cross multiply
    4,668.77x = 6,442.67 × 2,679.28
  4. Step 4: Simplify right side
    4,668.77x = 17,261,707.47
  5. Step 5: Solve for x
    x = 17,261,707.47/4,668.77
  6. Step 6: Final answer
    x = 3,697.27

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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.