Home / 9,191.01-12,683.77-5,212.05

Finding the Fourth Proportional to 9,191.01, 12,683.77 and 5,212.05

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Solution

The fourth proportional to 9,191.01, 12,683.77 and 5,212.05 is: 7,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.01 : 12,683.77 = 5,212.05 : x
  2. Step 2: Convert to fraction form
    9,191.01/12,683.77 = 5,212.05/x
  3. Step 3: Cross multiply
    9,191.01x = 12,683.77 × 5,212.05
  4. Step 4: Simplify right side
    9,191.01x = 66,108,430.40
  5. Step 5: Solve for x
    x = 66,108,430.40/9,191.01
  6. Step 6: Final answer
    x = 7,192.73

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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.