Home / 7,284.06-10,051.29-4,139.64

Finding the Fourth Proportional to 7,284.06, 10,051.29 and 4,139.64

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Solution

The fourth proportional to 7,284.06, 10,051.29 and 4,139.64 is: 5,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.06 : 10,051.29 = 4,139.64 : x
  2. Step 2: Convert to fraction form
    7,284.06/10,051.29 = 4,139.64/x
  3. Step 3: Cross multiply
    7,284.06x = 10,051.29 × 4,139.64
  4. Step 4: Simplify right side
    7,284.06x = 41,608,722.14
  5. Step 5: Solve for x
    x = 41,608,722.14/7,284.06
  6. Step 6: Final answer
    x = 5,712.30

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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.