Home / 5,619.23-8,428.85-5,272.96

Finding the Fourth Proportional to 5,619.23, 8,428.85 and 5,272.96

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Solution

The fourth proportional to 5,619.23, 8,428.85 and 5,272.96 is: 7,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.23 : 8,428.85 = 5,272.96 : x
  2. Step 2: Convert to fraction form
    5,619.23/8,428.85 = 5,272.96/x
  3. Step 3: Cross multiply
    5,619.23x = 8,428.85 × 5,272.96
  4. Step 4: Simplify right side
    5,619.23x = 44,444,988.90
  5. Step 5: Solve for x
    x = 44,444,988.90/5,619.23
  6. Step 6: Final answer
    x = 7,909.44

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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.