Home / 8,971.93-12,387.36-5,616.10

Finding the Fourth Proportional to 8,971.93, 12,387.36 and 5,616.10

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Solution

The fourth proportional to 8,971.93, 12,387.36 and 5,616.10 is: 7,754.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.93 : 12,387.36 = 5,616.10 : x
  2. Step 2: Convert to fraction form
    8,971.93/12,387.36 = 5,616.10/x
  3. Step 3: Cross multiply
    8,971.93x = 12,387.36 × 5,616.10
  4. Step 4: Simplify right side
    8,971.93x = 69,568,652.50
  5. Step 5: Solve for x
    x = 69,568,652.50/8,971.93
  6. Step 6: Final answer
    x = 7,754.03

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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.