Home / 9,258.04-12,775.78-5,280.44

Finding the Fourth Proportional to 9,258.04, 12,775.78 and 5,280.44

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Solution

The fourth proportional to 9,258.04, 12,775.78 and 5,280.44 is: 7,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.04 : 12,775.78 = 5,280.44 : x
  2. Step 2: Convert to fraction form
    9,258.04/12,775.78 = 5,280.44/x
  3. Step 3: Cross multiply
    9,258.04x = 12,775.78 × 5,280.44
  4. Step 4: Simplify right side
    9,258.04x = 67,461,739.74
  5. Step 5: Solve for x
    x = 67,461,739.74/9,258.04
  6. Step 6: Final answer
    x = 7,286.83

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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.