Home / 5,514.28-8,271.48-3,320.32

Finding the Fourth Proportional to 5,514.28, 8,271.48 and 3,320.32

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Solution

The fourth proportional to 5,514.28, 8,271.48 and 3,320.32 is: 4,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.28 : 8,271.48 = 3,320.32 : x
  2. Step 2: Convert to fraction form
    5,514.28/8,271.48 = 3,320.32/x
  3. Step 3: Cross multiply
    5,514.28x = 8,271.48 × 3,320.32
  4. Step 4: Simplify right side
    5,514.28x = 27,463,960.47
  5. Step 5: Solve for x
    x = 27,463,960.47/5,514.28
  6. Step 6: Final answer
    x = 4,980.52

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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.