Home / 8,564.24-12,848.16-2,720

Finding the Fourth Proportional to 8,564.24, 12,848.16 and 2,720

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Solution

The fourth proportional to 8,564.24, 12,848.16 and 2,720 is: 4,080.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.24 : 12,848.16 = 2,720 : x
  2. Step 2: Convert to fraction form
    8,564.24/12,848.16 = 2,720/x
  3. Step 3: Cross multiply
    8,564.24x = 12,848.16 × 2,720
  4. Step 4: Simplify right side
    8,564.24x = 34,946,995.20
  5. Step 5: Solve for x
    x = 34,946,995.20/8,564.24
  6. Step 6: Final answer
    x = 4,080.57

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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.