Home / 6,899.36-10,343.18-2,742.30

Finding the Fourth Proportional to 6,899.36, 10,343.18 and 2,742.30

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Solution

The fourth proportional to 6,899.36, 10,343.18 and 2,742.30 is: 4,111.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.36 : 10,343.18 = 2,742.30 : x
  2. Step 2: Convert to fraction form
    6,899.36/10,343.18 = 2,742.30/x
  3. Step 3: Cross multiply
    6,899.36x = 10,343.18 × 2,742.30
  4. Step 4: Simplify right side
    6,899.36x = 28,364,109.37
  5. Step 5: Solve for x
    x = 28,364,109.37/6,899.36
  6. Step 6: Final answer
    x = 4,111.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.