Home / 7,935.98-11,887.81-5,154.21

Finding the Fourth Proportional to 7,935.98, 11,887.81 and 5,154.21

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Solution

The fourth proportional to 7,935.98, 11,887.81 and 5,154.21 is: 7,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.98 : 11,887.81 = 5,154.21 : x
  2. Step 2: Convert to fraction form
    7,935.98/11,887.81 = 5,154.21/x
  3. Step 3: Cross multiply
    7,935.98x = 11,887.81 × 5,154.21
  4. Step 4: Simplify right side
    7,935.98x = 61,272,256.29
  5. Step 5: Solve for x
    x = 61,272,256.29/7,935.98
  6. Step 6: Final answer
    x = 7,720.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.