Home / 7,852.30-11,778.14-2,658.18

Finding the Fourth Proportional to 7,852.30, 11,778.14 and 2,658.18

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Solution

The fourth proportional to 7,852.30, 11,778.14 and 2,658.18 is: 3,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,852.30 : 11,778.14 = 2,658.18 : x
  2. Step 2: Convert to fraction form
    7,852.30/11,778.14 = 2,658.18/x
  3. Step 3: Cross multiply
    7,852.30x = 11,778.14 × 2,658.18
  4. Step 4: Simplify right side
    7,852.30x = 31,308,344.00
  5. Step 5: Solve for x
    x = 31,308,344.00/7,852.30
  6. Step 6: Final answer
    x = 3,987.16

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1.5x scale

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.