Home / 6,320.90-9,486.19-4,129.02

Finding the Fourth Proportional to 6,320.90, 9,486.19 and 4,129.02

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Solution

The fourth proportional to 6,320.90, 9,486.19 and 4,129.02 is: 6,196.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.90 : 9,486.19 = 4,129.02 : x
  2. Step 2: Convert to fraction form
    6,320.90/9,486.19 = 4,129.02/x
  3. Step 3: Cross multiply
    6,320.90x = 9,486.19 × 4,129.02
  4. Step 4: Simplify right side
    6,320.90x = 39,168,668.23
  5. Step 5: Solve for x
    x = 39,168,668.23/6,320.90
  6. Step 6: Final answer
    x = 6,196.69

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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.