Home / 9,270.54-12,792.87-5,078.70

Finding the Fourth Proportional to 9,270.54, 12,792.87 and 5,078.70

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Solution

The fourth proportional to 9,270.54, 12,792.87 and 5,078.70 is: 7,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.54 : 12,792.87 = 5,078.70 : x
  2. Step 2: Convert to fraction form
    9,270.54/12,792.87 = 5,078.70/x
  3. Step 3: Cross multiply
    9,270.54x = 12,792.87 × 5,078.70
  4. Step 4: Simplify right side
    9,270.54x = 64,971,148.87
  5. Step 5: Solve for x
    x = 64,971,148.87/9,270.54
  6. Step 6: Final answer
    x = 7,008.35

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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.