Home / 5,455.64-7,531.63-4,258.05

Finding the Fourth Proportional to 5,455.64, 7,531.63 and 4,258.05

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Solution

The fourth proportional to 5,455.64, 7,531.63 and 4,258.05 is: 5,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.64 : 7,531.63 = 4,258.05 : x
  2. Step 2: Convert to fraction form
    5,455.64/7,531.63 = 4,258.05/x
  3. Step 3: Cross multiply
    5,455.64x = 7,531.63 × 4,258.05
  4. Step 4: Simplify right side
    5,455.64x = 32,070,046.48
  5. Step 5: Solve for x
    x = 32,070,046.48/5,455.64
  6. Step 6: Final answer
    x = 5,878.33

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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.