Home / 7,104.30-10,656.43-1,910.18

Finding the Fourth Proportional to 7,104.30, 10,656.43 and 1,910.18

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Solution

The fourth proportional to 7,104.30, 10,656.43 and 1,910.18 is: 2,865.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.30 : 10,656.43 = 1,910.18 : x
  2. Step 2: Convert to fraction form
    7,104.30/10,656.43 = 1,910.18/x
  3. Step 3: Cross multiply
    7,104.30x = 10,656.43 × 1,910.18
  4. Step 4: Simplify right side
    7,104.30x = 20,355,699.46
  5. Step 5: Solve for x
    x = 20,355,699.46/7,104.30
  6. Step 6: Final answer
    x = 2,865.26

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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.