Home / 5,256.21-7,253.53-2,898.35

Finding the Fourth Proportional to 5,256.21, 7,253.53 and 2,898.35

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Solution

The fourth proportional to 5,256.21, 7,253.53 and 2,898.35 is: 3,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.21 : 7,253.53 = 2,898.35 : x
  2. Step 2: Convert to fraction form
    5,256.21/7,253.53 = 2,898.35/x
  3. Step 3: Cross multiply
    5,256.21x = 7,253.53 × 2,898.35
  4. Step 4: Simplify right side
    5,256.21x = 21,023,309.47
  5. Step 5: Solve for x
    x = 21,023,309.47/5,256.21
  6. Step 6: Final answer
    x = 3,999.71

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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.