Home / 9,228.47-12,730.43-6,245.30

Finding the Fourth Proportional to 9,228.47, 12,730.43 and 6,245.30

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Solution

The fourth proportional to 9,228.47, 12,730.43 and 6,245.30 is: 8,615.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.47 : 12,730.43 = 6,245.30 : x
  2. Step 2: Convert to fraction form
    9,228.47/12,730.43 = 6,245.30/x
  3. Step 3: Cross multiply
    9,228.47x = 12,730.43 × 6,245.30
  4. Step 4: Simplify right side
    9,228.47x = 79,505,401.92
  5. Step 5: Solve for x
    x = 79,505,401.92/9,228.47
  6. Step 6: Final answer
    x = 8,615.24

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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.