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Finding the Fourth Proportional to 5,890.76, 8,835.86 and 1,730.60

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Solution

The fourth proportional to 5,890.76, 8,835.86 and 1,730.60 is: 2,595.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.76 : 8,835.86 = 1,730.60 : x
  2. Step 2: Convert to fraction form
    5,890.76/8,835.86 = 1,730.60/x
  3. Step 3: Cross multiply
    5,890.76x = 8,835.86 × 1,730.60
  4. Step 4: Simplify right side
    5,890.76x = 15,291,339.32
  5. Step 5: Solve for x
    x = 15,291,339.32/5,890.76
  6. Step 6: Final answer
    x = 2,595.82

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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.