Home / 8,072.80-11,140.86-4,537.12

Finding the Fourth Proportional to 8,072.80, 11,140.86 and 4,537.12

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Solution

The fourth proportional to 8,072.80, 11,140.86 and 4,537.12 is: 6,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.80 : 11,140.86 = 4,537.12 : x
  2. Step 2: Convert to fraction form
    8,072.80/11,140.86 = 4,537.12/x
  3. Step 3: Cross multiply
    8,072.80x = 11,140.86 × 4,537.12
  4. Step 4: Simplify right side
    8,072.80x = 50,547,418.72
  5. Step 5: Solve for x
    x = 50,547,418.72/8,072.80
  6. Step 6: Final answer
    x = 6,261.45

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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.