Home / 6,429.06-8,869.77-3,774.51

Finding the Fourth Proportional to 6,429.06, 8,869.77 and 3,774.51

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Solution

The fourth proportional to 6,429.06, 8,869.77 and 3,774.51 is: 5,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.06 : 8,869.77 = 3,774.51 : x
  2. Step 2: Convert to fraction form
    6,429.06/8,869.77 = 3,774.51/x
  3. Step 3: Cross multiply
    6,429.06x = 8,869.77 × 3,774.51
  4. Step 4: Simplify right side
    6,429.06x = 33,479,035.56
  5. Step 5: Solve for x
    x = 33,479,035.56/6,429.06
  6. Step 6: Final answer
    x = 5,207.45

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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.