Home / 5,111.12-7,051.68-3,014.84

Finding the Fourth Proportional to 5,111.12, 7,051.68 and 3,014.84

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Solution

The fourth proportional to 5,111.12, 7,051.68 and 3,014.84 is: 4,159.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111.12 : 7,051.68 = 3,014.84 : x
  2. Step 2: Convert to fraction form
    5,111.12/7,051.68 = 3,014.84/x
  3. Step 3: Cross multiply
    5,111.12x = 7,051.68 × 3,014.84
  4. Step 4: Simplify right side
    5,111.12x = 21,259,686.93
  5. Step 5: Solve for x
    x = 21,259,686.93/5,111.12
  6. Step 6: Final answer
    x = 4,159.50

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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.