Home / 8,405.13-11,599.33-4,628.53

Finding the Fourth Proportional to 8,405.13, 11,599.33 and 4,628.53

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Solution

The fourth proportional to 8,405.13, 11,599.33 and 4,628.53 is: 6,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405.13 : 11,599.33 = 4,628.53 : x
  2. Step 2: Convert to fraction form
    8,405.13/11,599.33 = 4,628.53/x
  3. Step 3: Cross multiply
    8,405.13x = 11,599.33 × 4,628.53
  4. Step 4: Simplify right side
    8,405.13x = 53,687,846.88
  5. Step 5: Solve for x
    x = 53,687,846.88/8,405.13
  6. Step 6: Final answer
    x = 6,387.51

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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.