Home / 8,911.51-12,299.27-5,083.16

Finding the Fourth Proportional to 8,911.51, 12,299.27 and 5,083.16

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Solution

The fourth proportional to 8,911.51, 12,299.27 and 5,083.16 is: 7,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.51 : 12,299.27 = 5,083.16 : x
  2. Step 2: Convert to fraction form
    8,911.51/12,299.27 = 5,083.16/x
  3. Step 3: Cross multiply
    8,911.51x = 12,299.27 × 5,083.16
  4. Step 4: Simplify right side
    8,911.51x = 62,519,157.29
  5. Step 5: Solve for x
    x = 62,519,157.29/8,911.51
  6. Step 6: Final answer
    x = 7,015.55

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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.