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Finding the Fourth Proportional to 5,242.86, 7,238.43 and 3,256.29

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Solution

The fourth proportional to 5,242.86, 7,238.43 and 3,256.29 is: 4,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.86 : 7,238.43 = 3,256.29 : x
  2. Step 2: Convert to fraction form
    5,242.86/7,238.43 = 3,256.29/x
  3. Step 3: Cross multiply
    5,242.86x = 7,238.43 × 3,256.29
  4. Step 4: Simplify right side
    5,242.86x = 23,570,427.22
  5. Step 5: Solve for x
    x = 23,570,427.22/5,242.86
  6. Step 6: Final answer
    x = 4,495.72

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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.