Home / 5,486.01-8,210.79-4,385.22

Finding the Fourth Proportional to 5,486.01, 8,210.79 and 4,385.22

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Solution

The fourth proportional to 5,486.01, 8,210.79 and 4,385.22 is: 6,563.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.01 : 8,210.79 = 4,385.22 : x
  2. Step 2: Convert to fraction form
    5,486.01/8,210.79 = 4,385.22/x
  3. Step 3: Cross multiply
    5,486.01x = 8,210.79 × 4,385.22
  4. Step 4: Simplify right side
    5,486.01x = 36,006,120.52
  5. Step 5: Solve for x
    x = 36,006,120.52/5,486.01
  6. Step 6: Final answer
    x = 6,563.26

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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.