Home / 9,258.72-13,878.36-3,411.60

Finding the Fourth Proportional to 9,258.72, 13,878.36 and 3,411.60

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Solution

The fourth proportional to 9,258.72, 13,878.36 and 3,411.60 is: 5,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.72 : 13,878.36 = 3,411.60 : x
  2. Step 2: Convert to fraction form
    9,258.72/13,878.36 = 3,411.60/x
  3. Step 3: Cross multiply
    9,258.72x = 13,878.36 × 3,411.60
  4. Step 4: Simplify right side
    9,258.72x = 47,347,412.98
  5. Step 5: Solve for x
    x = 47,347,412.98/9,258.72
  6. Step 6: Final answer
    x = 5,113.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.