Home / 4,740.81-7,110.41-1,277.25

Finding the Fourth Proportional to 4,740.81, 7,110.41 and 1,277.25

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Solution

The fourth proportional to 4,740.81, 7,110.41 and 1,277.25 is: 1,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.81 : 7,110.41 = 1,277.25 : x
  2. Step 2: Convert to fraction form
    4,740.81/7,110.41 = 1,277.25/x
  3. Step 3: Cross multiply
    4,740.81x = 7,110.41 × 1,277.25
  4. Step 4: Simplify right side
    4,740.81x = 9,081,764.79
  5. Step 5: Solve for x
    x = 9,081,764.79/4,740.81
  6. Step 6: Final answer
    x = 1,915.66

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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.