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Finding the Fourth Proportional to 3,875.77, 5,813.56 and 954.10

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Solution

The fourth proportional to 3,875.77, 5,813.56 and 954.10 is: 1,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.77 : 5,813.56 = 954.10 : x
  2. Step 2: Convert to fraction form
    3,875.77/5,813.56 = 954.10/x
  3. Step 3: Cross multiply
    3,875.77x = 5,813.56 × 954.10
  4. Step 4: Simplify right side
    3,875.77x = 5,546,717.60
  5. Step 5: Solve for x
    x = 5,546,717.60/3,875.77
  6. Step 6: Final answer
    x = 1,431.13

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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.