Home / 4,277.56-6,416.78-1,157.59

Finding the Fourth Proportional to 4,277.56, 6,416.78 and 1,157.59

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Solution

The fourth proportional to 4,277.56, 6,416.78 and 1,157.59 is: 1,736.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.56 : 6,416.78 = 1,157.59 : x
  2. Step 2: Convert to fraction form
    4,277.56/6,416.78 = 1,157.59/x
  3. Step 3: Cross multiply
    4,277.56x = 6,416.78 × 1,157.59
  4. Step 4: Simplify right side
    4,277.56x = 7,428,000.36
  5. Step 5: Solve for x
    x = 7,428,000.36/4,277.56
  6. Step 6: Final answer
    x = 1,736.50

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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.