Home / 8,071.63-11,138.95-4,884.89

Finding the Fourth Proportional to 8,071.63, 11,138.95 and 4,884.89

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Solution

The fourth proportional to 8,071.63, 11,138.95 and 4,884.89 is: 6,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.63 : 11,138.95 = 4,884.89 : x
  2. Step 2: Convert to fraction form
    8,071.63/11,138.95 = 4,884.89/x
  3. Step 3: Cross multiply
    8,071.63x = 11,138.95 × 4,884.89
  4. Step 4: Simplify right side
    8,071.63x = 54,412,495.88
  5. Step 5: Solve for x
    x = 54,412,495.88/8,071.63
  6. Step 6: Final answer
    x = 6,741.21

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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.