Home / 7,091.91-10,637.04-1,898.19

Finding the Fourth Proportional to 7,091.91, 10,637.04 and 1,898.19

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Solution

The fourth proportional to 7,091.91, 10,637.04 and 1,898.19 is: 2,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.91 : 10,637.04 = 1,898.19 : x
  2. Step 2: Convert to fraction form
    7,091.91/10,637.04 = 1,898.19/x
  3. Step 3: Cross multiply
    7,091.91x = 10,637.04 × 1,898.19
  4. Step 4: Simplify right side
    7,091.91x = 20,191,122.96
  5. Step 5: Solve for x
    x = 20,191,122.96/7,091.91
  6. Step 6: Final answer
    x = 2,847.06

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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.