Home / 7,055.22-9,736.50-3,911.18

Finding the Fourth Proportional to 7,055.22, 9,736.50 and 3,911.18

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Solution

The fourth proportional to 7,055.22, 9,736.50 and 3,911.18 is: 5,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.22 : 9,736.50 = 3,911.18 : x
  2. Step 2: Convert to fraction form
    7,055.22/9,736.50 = 3,911.18/x
  3. Step 3: Cross multiply
    7,055.22x = 9,736.50 × 3,911.18
  4. Step 4: Simplify right side
    7,055.22x = 38,081,204.07
  5. Step 5: Solve for x
    x = 38,081,204.07/7,055.22
  6. Step 6: Final answer
    x = 5,397.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.