Home / 8,658.24-12,980.07-3,461.28

Finding the Fourth Proportional to 8,658.24, 12,980.07 and 3,461.28

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Solution

The fourth proportional to 8,658.24, 12,980.07 and 3,461.28 is: 5,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658.24 : 12,980.07 = 3,461.28 : x
  2. Step 2: Convert to fraction form
    8,658.24/12,980.07 = 3,461.28/x
  3. Step 3: Cross multiply
    8,658.24x = 12,980.07 × 3,461.28
  4. Step 4: Simplify right side
    8,658.24x = 44,927,656.69
  5. Step 5: Solve for x
    x = 44,927,656.69/8,658.24
  6. Step 6: Final answer
    x = 5,189.01

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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.