Home / 6,887.57-10,331.82-1,957.59

Finding the Fourth Proportional to 6,887.57, 10,331.82 and 1,957.59

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Solution

The fourth proportional to 6,887.57, 10,331.82 and 1,957.59 is: 2,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.57 : 10,331.82 = 1,957.59 : x
  2. Step 2: Convert to fraction form
    6,887.57/10,331.82 = 1,957.59/x
  3. Step 3: Cross multiply
    6,887.57x = 10,331.82 × 1,957.59
  4. Step 4: Simplify right side
    6,887.57x = 20,225,467.51
  5. Step 5: Solve for x
    x = 20,225,467.51/6,887.57
  6. Step 6: Final answer
    x = 2,936.52

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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.