Home / 6,140.04-9,205.56-2,189.19

Finding the Fourth Proportional to 6,140.04, 9,205.56 and 2,189.19

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Solution

The fourth proportional to 6,140.04, 9,205.56 and 2,189.19 is: 3,282.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.04 : 9,205.56 = 2,189.19 : x
  2. Step 2: Convert to fraction form
    6,140.04/9,205.56 = 2,189.19/x
  3. Step 3: Cross multiply
    6,140.04x = 9,205.56 × 2,189.19
  4. Step 4: Simplify right side
    6,140.04x = 20,152,719.90
  5. Step 5: Solve for x
    x = 20,152,719.90/6,140.04
  6. Step 6: Final answer
    x = 3,282.18

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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.