Home / 6,219.12-8,582.25-3,386.55

Finding the Fourth Proportional to 6,219.12, 8,582.25 and 3,386.55

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Solution

The fourth proportional to 6,219.12, 8,582.25 and 3,386.55 is: 4,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.12 : 8,582.25 = 3,386.55 : x
  2. Step 2: Convert to fraction form
    6,219.12/8,582.25 = 3,386.55/x
  3. Step 3: Cross multiply
    6,219.12x = 8,582.25 × 3,386.55
  4. Step 4: Simplify right side
    6,219.12x = 29,064,218.74
  5. Step 5: Solve for x
    x = 29,064,218.74/6,219.12
  6. Step 6: Final answer
    x = 4,673.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.