Home / 6,486.29-8,987.23-6,346.16

Finding the Fourth Proportional to 6,486.29, 8,987.23 and 6,346.16

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Solution

The fourth proportional to 6,486.29, 8,987.23 and 6,346.16 is: 8,793.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.29 : 8,987.23 = 6,346.16 : x
  2. Step 2: Convert to fraction form
    6,486.29/8,987.23 = 6,346.16/x
  3. Step 3: Cross multiply
    6,486.29x = 8,987.23 × 6,346.16
  4. Step 4: Simplify right side
    6,486.29x = 57,034,399.54
  5. Step 5: Solve for x
    x = 57,034,399.54/6,486.29
  6. Step 6: Final answer
    x = 8,793.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.