Home / 8,730.90-13,070.61-5,763.87

Finding the Fourth Proportional to 8,730.90, 13,070.61 and 5,763.87

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Solution

The fourth proportional to 8,730.90, 13,070.61 and 5,763.87 is: 8,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.90 : 13,070.61 = 5,763.87 : x
  2. Step 2: Convert to fraction form
    8,730.90/13,070.61 = 5,763.87/x
  3. Step 3: Cross multiply
    8,730.90x = 13,070.61 × 5,763.87
  4. Step 4: Simplify right side
    8,730.90x = 75,337,296.86
  5. Step 5: Solve for x
    x = 75,337,296.86/8,730.90
  6. Step 6: Final answer
    x = 8,628.81

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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.