Home / 5,531.80-8,303.70-4,919.44

Finding the Fourth Proportional to 5,531.80, 8,303.70 and 4,919.44

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Solution

The fourth proportional to 5,531.80, 8,303.70 and 4,919.44 is: 7,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.80 : 8,303.70 = 4,919.44 : x
  2. Step 2: Convert to fraction form
    5,531.80/8,303.70 = 4,919.44/x
  3. Step 3: Cross multiply
    5,531.80x = 8,303.70 × 4,919.44
  4. Step 4: Simplify right side
    5,531.80x = 40,849,553.93
  5. Step 5: Solve for x
    x = 40,849,553.93/5,531.80
  6. Step 6: Final answer
    x = 7,384.50

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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.