Home / 4,166.51-6,242.57-2,189.20

Finding the Fourth Proportional to 4,166.51, 6,242.57 and 2,189.20

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Solution

The fourth proportional to 4,166.51, 6,242.57 and 2,189.20 is: 3,280.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.51 : 6,242.57 = 2,189.20 : x
  2. Step 2: Convert to fraction form
    4,166.51/6,242.57 = 2,189.20/x
  3. Step 3: Cross multiply
    4,166.51x = 6,242.57 × 2,189.20
  4. Step 4: Simplify right side
    4,166.51x = 13,666,245.16
  5. Step 5: Solve for x
    x = 13,666,245.16/4,166.51
  6. Step 6: Final answer
    x = 3,280.02

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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.