Home / 8,053.40-12,080.70-2,858.60

Finding the Fourth Proportional to 8,053.40, 12,080.70 and 2,858.60

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Solution

The fourth proportional to 8,053.40, 12,080.70 and 2,858.60 is: 4,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.40 : 12,080.70 = 2,858.60 : x
  2. Step 2: Convert to fraction form
    8,053.40/12,080.70 = 2,858.60/x
  3. Step 3: Cross multiply
    8,053.40x = 12,080.70 × 2,858.60
  4. Step 4: Simplify right side
    8,053.40x = 34,533,889.02
  5. Step 5: Solve for x
    x = 34,533,889.02/8,053.40
  6. Step 6: Final answer
    x = 4,288.11

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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.