Home / 5,477.16-7,556.28-3,118.86

Finding the Fourth Proportional to 5,477.16, 7,556.28 and 3,118.86

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Solution

The fourth proportional to 5,477.16, 7,556.28 and 3,118.86 is: 4,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.16 : 7,556.28 = 3,118.86 : x
  2. Step 2: Convert to fraction form
    5,477.16/7,556.28 = 3,118.86/x
  3. Step 3: Cross multiply
    5,477.16x = 7,556.28 × 3,118.86
  4. Step 4: Simplify right side
    5,477.16x = 23,566,979.44
  5. Step 5: Solve for x
    x = 23,566,979.44/5,477.16
  6. Step 6: Final answer
    x = 4,302.77

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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.