Home / 5,088.48-7,022.64-2,992.56

Finding the Fourth Proportional to 5,088.48, 7,022.64 and 2,992.56

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Solution

The fourth proportional to 5,088.48, 7,022.64 and 2,992.56 is: 4,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.48 : 7,022.64 = 2,992.56 : x
  2. Step 2: Convert to fraction form
    5,088.48/7,022.64 = 2,992.56/x
  3. Step 3: Cross multiply
    5,088.48x = 7,022.64 × 2,992.56
  4. Step 4: Simplify right side
    5,088.48x = 21,015,671.56
  5. Step 5: Solve for x
    x = 21,015,671.56/5,088.48
  6. Step 6: Final answer
    x = 4,130.05

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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.