Home / 9,270.04-12,792.18-5,078.20

Finding the Fourth Proportional to 9,270.04, 12,792.18 and 5,078.20

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Solution

The fourth proportional to 9,270.04, 12,792.18 and 5,078.20 is: 7,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.04 : 12,792.18 = 5,078.20 : x
  2. Step 2: Convert to fraction form
    9,270.04/12,792.18 = 5,078.20/x
  3. Step 3: Cross multiply
    9,270.04x = 12,792.18 × 5,078.20
  4. Step 4: Simplify right side
    9,270.04x = 64,961,248.48
  5. Step 5: Solve for x
    x = 64,961,248.48/9,270.04
  6. Step 6: Final answer
    x = 7,007.66

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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.