Home / 6,316.99-8,712.73-4,637.86

Finding the Fourth Proportional to 6,316.99, 8,712.73 and 4,637.86

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Solution

The fourth proportional to 6,316.99, 8,712.73 and 4,637.86 is: 6,396.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.99 : 8,712.73 = 4,637.86 : x
  2. Step 2: Convert to fraction form
    6,316.99/8,712.73 = 4,637.86/x
  3. Step 3: Cross multiply
    6,316.99x = 8,712.73 × 4,637.86
  4. Step 4: Simplify right side
    6,316.99x = 40,408,405.97
  5. Step 5: Solve for x
    x = 40,408,405.97/6,316.99
  6. Step 6: Final answer
    x = 6,396.78

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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.