Home / 6,687.02-10,032.86-2,989.64

Finding the Fourth Proportional to 6,687.02, 10,032.86 and 2,989.64

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Solution

The fourth proportional to 6,687.02, 10,032.86 and 2,989.64 is: 4,485.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.02 : 10,032.86 = 2,989.64 : x
  2. Step 2: Convert to fraction form
    6,687.02/10,032.86 = 2,989.64/x
  3. Step 3: Cross multiply
    6,687.02x = 10,032.86 × 2,989.64
  4. Step 4: Simplify right side
    6,687.02x = 29,994,672.13
  5. Step 5: Solve for x
    x = 29,994,672.13/6,687.02
  6. Step 6: Final answer
    x = 4,485.50

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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.