Home / 5,256.32-7,254.23-3,927.72

Finding the Fourth Proportional to 5,256.32, 7,254.23 and 3,927.72

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Solution

The fourth proportional to 5,256.32, 7,254.23 and 3,927.72 is: 5,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.32 : 7,254.23 = 3,927.72 : x
  2. Step 2: Convert to fraction form
    5,256.32/7,254.23 = 3,927.72/x
  3. Step 3: Cross multiply
    5,256.32x = 7,254.23 × 3,927.72
  4. Step 4: Simplify right side
    5,256.32x = 28,492,584.26
  5. Step 5: Solve for x
    x = 28,492,584.26/5,256.32
  6. Step 6: Final answer
    x = 5,420.63

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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.