Home / 4,899.56-7,349.34-1,778.87

Finding the Fourth Proportional to 4,899.56, 7,349.34 and 1,778.87

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Solution

The fourth proportional to 4,899.56, 7,349.34 and 1,778.87 is: 2,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.56 : 7,349.34 = 1,778.87 : x
  2. Step 2: Convert to fraction form
    4,899.56/7,349.34 = 1,778.87/x
  3. Step 3: Cross multiply
    4,899.56x = 7,349.34 × 1,778.87
  4. Step 4: Simplify right side
    4,899.56x = 13,073,483.70
  5. Step 5: Solve for x
    x = 13,073,483.70/4,899.56
  6. Step 6: Final answer
    x = 2,668.30

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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.