Home / 8,731.02-13,096.75-2,887.63

Finding the Fourth Proportional to 8,731.02, 13,096.75 and 2,887.63

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Solution

The fourth proportional to 8,731.02, 13,096.75 and 2,887.63 is: 4,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.02 : 13,096.75 = 2,887.63 : x
  2. Step 2: Convert to fraction form
    8,731.02/13,096.75 = 2,887.63/x
  3. Step 3: Cross multiply
    8,731.02x = 13,096.75 × 2,887.63
  4. Step 4: Simplify right side
    8,731.02x = 37,818,568.20
  5. Step 5: Solve for x
    x = 37,818,568.20/8,731.02
  6. Step 6: Final answer
    x = 4,331.52

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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.