Home / 4,992.16-6,887.28-3,130.24

Finding the Fourth Proportional to 4,992.16, 6,887.28 and 3,130.24

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Solution

The fourth proportional to 4,992.16, 6,887.28 and 3,130.24 is: 4,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.16 : 6,887.28 = 3,130.24 : x
  2. Step 2: Convert to fraction form
    4,992.16/6,887.28 = 3,130.24/x
  3. Step 3: Cross multiply
    4,992.16x = 6,887.28 × 3,130.24
  4. Step 4: Simplify right side
    4,992.16x = 21,558,839.35
  5. Step 5: Solve for x
    x = 21,558,839.35/4,992.16
  6. Step 6: Final answer
    x = 4,318.54

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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.