Home / 6,161.19-8,503.95-5,164.89

Finding the Fourth Proportional to 6,161.19, 8,503.95 and 5,164.89

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Solution

The fourth proportional to 6,161.19, 8,503.95 and 5,164.89 is: 7,128.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,161.19 : 8,503.95 = 5,164.89 : x
  2. Step 2: Convert to fraction form
    6,161.19/8,503.95 = 5,164.89/x
  3. Step 3: Cross multiply
    6,161.19x = 8,503.95 × 5,164.89
  4. Step 4: Simplify right side
    6,161.19x = 43,921,966.32
  5. Step 5: Solve for x
    x = 43,921,966.32/6,161.19
  6. Step 6: Final answer
    x = 7,128.81

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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.