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Finding the Fourth Proportional to 4,498.92, 6,749.64 and 1,903.68

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Solution

The fourth proportional to 4,498.92, 6,749.64 and 1,903.68 is: 2,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,498.92 : 6,749.64 = 1,903.68 : x
  2. Step 2: Convert to fraction form
    4,498.92/6,749.64 = 1,903.68/x
  3. Step 3: Cross multiply
    4,498.92x = 6,749.64 × 1,903.68
  4. Step 4: Simplify right side
    4,498.92x = 12,849,154.68
  5. Step 5: Solve for x
    x = 12,849,154.68/4,498.92
  6. Step 6: Final answer
    x = 2,856.05

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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.