Home / 6,514.58-8,991.36-4,390.11

Finding the Fourth Proportional to 6,514.58, 8,991.36 and 4,390.11

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Solution

The fourth proportional to 6,514.58, 8,991.36 and 4,390.11 is: 6,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.58 : 8,991.36 = 4,390.11 : x
  2. Step 2: Convert to fraction form
    6,514.58/8,991.36 = 4,390.11/x
  3. Step 3: Cross multiply
    6,514.58x = 8,991.36 × 4,390.11
  4. Step 4: Simplify right side
    6,514.58x = 39,473,059.45
  5. Step 5: Solve for x
    x = 39,473,059.45/6,514.58
  6. Step 6: Final answer
    x = 6,059.18

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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.