Home / 5,256.16-7,259.96-3,935.76

Finding the Fourth Proportional to 5,256.16, 7,259.96 and 3,935.76

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Solution

The fourth proportional to 5,256.16, 7,259.96 and 3,935.76 is: 5,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.16 : 7,259.96 = 3,935.76 : x
  2. Step 2: Convert to fraction form
    5,256.16/7,259.96 = 3,935.76/x
  3. Step 3: Cross multiply
    5,256.16x = 7,259.96 × 3,935.76
  4. Step 4: Simplify right side
    5,256.16x = 28,573,460.17
  5. Step 5: Solve for x
    x = 28,573,460.17/5,256.16
  6. Step 6: Final answer
    x = 5,436.19

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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.