Home / 5,819.61-8,730.36-2,309.63

Finding the Fourth Proportional to 5,819.61, 8,730.36 and 2,309.63

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Solution

The fourth proportional to 5,819.61, 8,730.36 and 2,309.63 is: 3,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.61 : 8,730.36 = 2,309.63 : x
  2. Step 2: Convert to fraction form
    5,819.61/8,730.36 = 2,309.63/x
  3. Step 3: Cross multiply
    5,819.61x = 8,730.36 × 2,309.63
  4. Step 4: Simplify right side
    5,819.61x = 20,163,901.37
  5. Step 5: Solve for x
    x = 20,163,901.37/5,819.61
  6. Step 6: Final answer
    x = 3,464.82

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1.5x scale

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.