Home / 9,207.41-12,707.55-5,228.89

Finding the Fourth Proportional to 9,207.41, 12,707.55 and 5,228.89

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Solution

The fourth proportional to 9,207.41, 12,707.55 and 5,228.89 is: 7,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.41 : 12,707.55 = 5,228.89 : x
  2. Step 2: Convert to fraction form
    9,207.41/12,707.55 = 5,228.89/x
  3. Step 3: Cross multiply
    9,207.41x = 12,707.55 × 5,228.89
  4. Step 4: Simplify right side
    9,207.41x = 66,446,381.12
  5. Step 5: Solve for x
    x = 66,446,381.12/9,207.41
  6. Step 6: Final answer
    x = 7,216.62

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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.