Home / 6,988.56-10,480.30-3,828.35

Finding the Fourth Proportional to 6,988.56, 10,480.30 and 3,828.35

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Solution

The fourth proportional to 6,988.56, 10,480.30 and 3,828.35 is: 5,741.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.56 : 10,480.30 = 3,828.35 : x
  2. Step 2: Convert to fraction form
    6,988.56/10,480.30 = 3,828.35/x
  3. Step 3: Cross multiply
    6,988.56x = 10,480.30 × 3,828.35
  4. Step 4: Simplify right side
    6,988.56x = 40,122,256.51
  5. Step 5: Solve for x
    x = 40,122,256.51/6,988.56
  6. Step 6: Final answer
    x = 5,741.13

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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.