Home / 8,085.02-12,127.53-2,538.86

Finding the Fourth Proportional to 8,085.02, 12,127.53 and 2,538.86

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Solution

The fourth proportional to 8,085.02, 12,127.53 and 2,538.86 is: 3,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.02 : 12,127.53 = 2,538.86 : x
  2. Step 2: Convert to fraction form
    8,085.02/12,127.53 = 2,538.86/x
  3. Step 3: Cross multiply
    8,085.02x = 12,127.53 × 2,538.86
  4. Step 4: Simplify right side
    8,085.02x = 30,790,040.18
  5. Step 5: Solve for x
    x = 30,790,040.18/8,085.02
  6. Step 6: Final answer
    x = 3,808.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.