Home / 6,219.10-8,582.07-3,386.40

Finding the Fourth Proportional to 6,219.10, 8,582.07 and 3,386.40

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Solution

The fourth proportional to 6,219.10, 8,582.07 and 3,386.40 is: 4,673.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.10 : 8,582.07 = 3,386.40 : x
  2. Step 2: Convert to fraction form
    6,219.10/8,582.07 = 3,386.40/x
  3. Step 3: Cross multiply
    6,219.10x = 8,582.07 × 3,386.40
  4. Step 4: Simplify right side
    6,219.10x = 29,062,321.85
  5. Step 5: Solve for x
    x = 29,062,321.85/6,219.10
  6. Step 6: Final answer
    x = 4,673.08

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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.