Home / 8,448.34-11,654.30-5,261.12

Finding the Fourth Proportional to 8,448.34, 11,654.30 and 5,261.12

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Solution

The fourth proportional to 8,448.34, 11,654.30 and 5,261.12 is: 7,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.34 : 11,654.30 = 5,261.12 : x
  2. Step 2: Convert to fraction form
    8,448.34/11,654.30 = 5,261.12/x
  3. Step 3: Cross multiply
    8,448.34x = 11,654.30 × 5,261.12
  4. Step 4: Simplify right side
    8,448.34x = 61,314,644.51
  5. Step 5: Solve for x
    x = 61,314,644.51/8,448.34
  6. Step 6: Final answer
    x = 7,257.60

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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.