Home / 8,497.08-11,725.81-4,720.21

Finding the Fourth Proportional to 8,497.08, 11,725.81 and 4,720.21

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Solution

The fourth proportional to 8,497.08, 11,725.81 and 4,720.21 is: 6,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.08 : 11,725.81 = 4,720.21 : x
  2. Step 2: Convert to fraction form
    8,497.08/11,725.81 = 4,720.21/x
  3. Step 3: Cross multiply
    8,497.08x = 11,725.81 × 4,720.21
  4. Step 4: Simplify right side
    8,497.08x = 55,348,226.99
  5. Step 5: Solve for x
    x = 55,348,226.99/8,497.08
  6. Step 6: Final answer
    x = 6,513.79

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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.