Home / 5,116.95-7,060.32-2,992.06

Finding the Fourth Proportional to 5,116.95, 7,060.32 and 2,992.06

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Solution

The fourth proportional to 5,116.95, 7,060.32 and 2,992.06 is: 4,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.95 : 7,060.32 = 2,992.06 : x
  2. Step 2: Convert to fraction form
    5,116.95/7,060.32 = 2,992.06/x
  3. Step 3: Cross multiply
    5,116.95x = 7,060.32 × 2,992.06
  4. Step 4: Simplify right side
    5,116.95x = 21,124,886.10
  5. Step 5: Solve for x
    x = 21,124,886.10/5,116.95
  6. Step 6: Final answer
    x = 4,128.42

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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.