Home / 5,530.40-8,284.50-2,748.68

Finding the Fourth Proportional to 5,530.40, 8,284.50 and 2,748.68

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Solution

The fourth proportional to 5,530.40, 8,284.50 and 2,748.68 is: 4,117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.40 : 8,284.50 = 2,748.68 : x
  2. Step 2: Convert to fraction form
    5,530.40/8,284.50 = 2,748.68/x
  3. Step 3: Cross multiply
    5,530.40x = 8,284.50 × 2,748.68
  4. Step 4: Simplify right side
    5,530.40x = 22,771,398.04
  5. Step 5: Solve for x
    x = 22,771,398.04/5,530.40
  6. Step 6: Final answer
    x = 4,117.50

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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.