Home / 8,298.90-12,448.35-4,405.14

Finding the Fourth Proportional to 8,298.90, 12,448.35 and 4,405.14

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Solution

The fourth proportional to 8,298.90, 12,448.35 and 4,405.14 is: 6,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.90 : 12,448.35 = 4,405.14 : x
  2. Step 2: Convert to fraction form
    8,298.90/12,448.35 = 4,405.14/x
  3. Step 3: Cross multiply
    8,298.90x = 12,448.35 × 4,405.14
  4. Step 4: Simplify right side
    8,298.90x = 54,836,724.52
  5. Step 5: Solve for x
    x = 54,836,724.52/8,298.90
  6. Step 6: Final answer
    x = 6,607.71

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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.