Home / 7,840.02-11,760.06-3,096.66

Finding the Fourth Proportional to 7,840.02, 11,760.06 and 3,096.66

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Solution

The fourth proportional to 7,840.02, 11,760.06 and 3,096.66 is: 4,645.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.02 : 11,760.06 = 3,096.66 : x
  2. Step 2: Convert to fraction form
    7,840.02/11,760.06 = 3,096.66/x
  3. Step 3: Cross multiply
    7,840.02x = 11,760.06 × 3,096.66
  4. Step 4: Simplify right side
    7,840.02x = 36,416,907.40
  5. Step 5: Solve for x
    x = 36,416,907.40/7,840.02
  6. Step 6: Final answer
    x = 4,645.00

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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.