Home / 8,405.09-11,598.30-4,627.65

Finding the Fourth Proportional to 8,405.09, 11,598.30 and 4,627.65

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Solution

The fourth proportional to 8,405.09, 11,598.30 and 4,627.65 is: 6,385.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405.09 : 11,598.30 = 4,627.65 : x
  2. Step 2: Convert to fraction form
    8,405.09/11,598.30 = 4,627.65/x
  3. Step 3: Cross multiply
    8,405.09x = 11,598.30 × 4,627.65
  4. Step 4: Simplify right side
    8,405.09x = 53,672,873.00
  5. Step 5: Solve for x
    x = 53,672,873.00/8,405.09
  6. Step 6: Final answer
    x = 6,385.76

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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.