Home / 4,740.36-7,110.72-1,277.64

Finding the Fourth Proportional to 4,740.36, 7,110.72 and 1,277.64

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Solution

The fourth proportional to 4,740.36, 7,110.72 and 1,277.64 is: 1,916.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.36 : 7,110.72 = 1,277.64 : x
  2. Step 2: Convert to fraction form
    4,740.36/7,110.72 = 1,277.64/x
  3. Step 3: Cross multiply
    4,740.36x = 7,110.72 × 1,277.64
  4. Step 4: Simplify right side
    4,740.36x = 9,084,940.30
  5. Step 5: Solve for x
    x = 9,084,940.30/4,740.36
  6. Step 6: Final answer
    x = 1,916.51

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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.