Home / 7,008.07-10,512.39-2,077.60

Finding the Fourth Proportional to 7,008.07, 10,512.39 and 2,077.60

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Solution

The fourth proportional to 7,008.07, 10,512.39 and 2,077.60 is: 3,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.07 : 10,512.39 = 2,077.60 : x
  2. Step 2: Convert to fraction form
    7,008.07/10,512.39 = 2,077.60/x
  3. Step 3: Cross multiply
    7,008.07x = 10,512.39 × 2,077.60
  4. Step 4: Simplify right side
    7,008.07x = 21,840,541.46
  5. Step 5: Solve for x
    x = 21,840,541.46/7,008.07
  6. Step 6: Final answer
    x = 3,116.48

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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.