Home / 5,536.39-7,640.36-3,146.31

Finding the Fourth Proportional to 5,536.39, 7,640.36 and 3,146.31

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Solution

The fourth proportional to 5,536.39, 7,640.36 and 3,146.31 is: 4,341.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.39 : 7,640.36 = 3,146.31 : x
  2. Step 2: Convert to fraction form
    5,536.39/7,640.36 = 3,146.31/x
  3. Step 3: Cross multiply
    5,536.39x = 7,640.36 × 3,146.31
  4. Step 4: Simplify right side
    5,536.39x = 24,038,941.07
  5. Step 5: Solve for x
    x = 24,038,941.07/5,536.39
  6. Step 6: Final answer
    x = 4,341.99

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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.