Home / 6,754.02-10,128.60-2,858.70

Finding the Fourth Proportional to 6,754.02, 10,128.60 and 2,858.70

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Solution

The fourth proportional to 6,754.02, 10,128.60 and 2,858.70 is: 4,287.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.02 : 10,128.60 = 2,858.70 : x
  2. Step 2: Convert to fraction form
    6,754.02/10,128.60 = 2,858.70/x
  3. Step 3: Cross multiply
    6,754.02x = 10,128.60 × 2,858.70
  4. Step 4: Simplify right side
    6,754.02x = 28,954,628.82
  5. Step 5: Solve for x
    x = 28,954,628.82/6,754.02
  6. Step 6: Final answer
    x = 4,287.02

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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.