Home / 8,903.15-12,286.32-5,124.94

Finding the Fourth Proportional to 8,903.15, 12,286.32 and 5,124.94

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Solution

The fourth proportional to 8,903.15, 12,286.32 and 5,124.94 is: 7,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.15 : 12,286.32 = 5,124.94 : x
  2. Step 2: Convert to fraction form
    8,903.15/12,286.32 = 5,124.94/x
  3. Step 3: Cross multiply
    8,903.15x = 12,286.32 × 5,124.94
  4. Step 4: Simplify right side
    8,903.15x = 62,966,652.82
  5. Step 5: Solve for x
    x = 62,966,652.82/8,903.15
  6. Step 6: Final answer
    x = 7,072.40

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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.