Home / 9,265.19-12,783.15-5,286.06

Finding the Fourth Proportional to 9,265.19, 12,783.15 and 5,286.06

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Solution

The fourth proportional to 9,265.19, 12,783.15 and 5,286.06 is: 7,293.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,265.19 : 12,783.15 = 5,286.06 : x
  2. Step 2: Convert to fraction form
    9,265.19/12,783.15 = 5,286.06/x
  3. Step 3: Cross multiply
    9,265.19x = 12,783.15 × 5,286.06
  4. Step 4: Simplify right side
    9,265.19x = 67,572,497.89
  5. Step 5: Solve for x
    x = 67,572,497.89/9,265.19
  6. Step 6: Final answer
    x = 7,293.16

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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.