Home / 9,265.41-12,784.39-5,285.79

Finding the Fourth Proportional to 9,265.41, 12,784.39 and 5,285.79

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Solution

The fourth proportional to 9,265.41, 12,784.39 and 5,285.79 is: 7,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,265.41 : 12,784.39 = 5,285.79 : x
  2. Step 2: Convert to fraction form
    9,265.41/12,784.39 = 5,285.79/x
  3. Step 3: Cross multiply
    9,265.41x = 12,784.39 × 5,285.79
  4. Step 4: Simplify right side
    9,265.41x = 67,575,587.60
  5. Step 5: Solve for x
    x = 67,575,587.60/9,265.41
  6. Step 6: Final answer
    x = 7,293.32

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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.