Home / 5,520.51-8,281.80-1,822.91

Finding the Fourth Proportional to 5,520.51, 8,281.80 and 1,822.91

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Solution

The fourth proportional to 5,520.51, 8,281.80 and 1,822.91 is: 2,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.51 : 8,281.80 = 1,822.91 : x
  2. Step 2: Convert to fraction form
    5,520.51/8,281.80 = 1,822.91/x
  3. Step 3: Cross multiply
    5,520.51x = 8,281.80 × 1,822.91
  4. Step 4: Simplify right side
    5,520.51x = 15,096,934.63
  5. Step 5: Solve for x
    x = 15,096,934.63/5,520.51
  6. Step 6: Final answer
    x = 2,734.70

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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.