Home / 8,848.98-12,205.08-7,727.54

Finding the Fourth Proportional to 8,848.98, 12,205.08 and 7,727.54

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Solution

The fourth proportional to 8,848.98, 12,205.08 and 7,727.54 is: 10,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.98 : 12,205.08 = 7,727.54 : x
  2. Step 2: Convert to fraction form
    8,848.98/12,205.08 = 7,727.54/x
  3. Step 3: Cross multiply
    8,848.98x = 12,205.08 × 7,727.54
  4. Step 4: Simplify right side
    8,848.98x = 94,315,182.88
  5. Step 5: Solve for x
    x = 94,315,182.88/8,848.98
  6. Step 6: Final answer
    x = 10,658.31

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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.