Home / 5,487.01-8,212.29-4,386.22

Finding the Fourth Proportional to 5,487.01, 8,212.29 and 4,386.22

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Solution

The fourth proportional to 5,487.01, 8,212.29 and 4,386.22 is: 6,564.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.01 : 8,212.29 = 4,386.22 : x
  2. Step 2: Convert to fraction form
    5,487.01/8,212.29 = 4,386.22/x
  3. Step 3: Cross multiply
    5,487.01x = 8,212.29 × 4,386.22
  4. Step 4: Simplify right side
    5,487.01x = 36,020,910.64
  5. Step 5: Solve for x
    x = 36,020,910.64/5,487.01
  6. Step 6: Final answer
    x = 6,564.76

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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.