Home / 7,982.48-11,015.84-4,397.36

Finding the Fourth Proportional to 7,982.48, 11,015.84 and 4,397.36

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Solution

The fourth proportional to 7,982.48, 11,015.84 and 4,397.36 is: 6,068.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.48 : 11,015.84 = 4,397.36 : x
  2. Step 2: Convert to fraction form
    7,982.48/11,015.84 = 4,397.36/x
  3. Step 3: Cross multiply
    7,982.48x = 11,015.84 × 4,397.36
  4. Step 4: Simplify right side
    7,982.48x = 48,440,570.10
  5. Step 5: Solve for x
    x = 48,440,570.10/7,982.48
  6. Step 6: Final answer
    x = 6,068.36

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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.