Home / 6,987.03-10,478.92-2,055.35

Finding the Fourth Proportional to 6,987.03, 10,478.92 and 2,055.35

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Solution

The fourth proportional to 6,987.03, 10,478.92 and 2,055.35 is: 3,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.03 : 10,478.92 = 2,055.35 : x
  2. Step 2: Convert to fraction form
    6,987.03/10,478.92 = 2,055.35/x
  3. Step 3: Cross multiply
    6,987.03x = 10,478.92 × 2,055.35
  4. Step 4: Simplify right side
    6,987.03x = 21,537,848.22
  5. Step 5: Solve for x
    x = 21,537,848.22/6,987.03
  6. Step 6: Final answer
    x = 3,082.55

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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.