Home / 8,903.43-12,286.32-4,870.14

Finding the Fourth Proportional to 8,903.43, 12,286.32 and 4,870.14

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Solution

The fourth proportional to 8,903.43, 12,286.32 and 4,870.14 is: 6,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.43 : 12,286.32 = 4,870.14 : x
  2. Step 2: Convert to fraction form
    8,903.43/12,286.32 = 4,870.14/x
  3. Step 3: Cross multiply
    8,903.43x = 12,286.32 × 4,870.14
  4. Step 4: Simplify right side
    8,903.43x = 59,836,098.48
  5. Step 5: Solve for x
    x = 59,836,098.48/8,903.43
  6. Step 6: Final answer
    x = 6,720.57

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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.