Home / 4,276.40-5,908.96-3,498.80

Finding the Fourth Proportional to 4,276.40, 5,908.96 and 3,498.80

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Solution

The fourth proportional to 4,276.40, 5,908.96 and 3,498.80 is: 4,834.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.40 : 5,908.96 = 3,498.80 : x
  2. Step 2: Convert to fraction form
    4,276.40/5,908.96 = 3,498.80/x
  3. Step 3: Cross multiply
    4,276.40x = 5,908.96 × 3,498.80
  4. Step 4: Simplify right side
    4,276.40x = 20,674,269.25
  5. Step 5: Solve for x
    x = 20,674,269.25/4,276.40
  6. Step 6: Final answer
    x = 4,834.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.