Home / 4,276.56-6,421.20-2,628.36

Finding the Fourth Proportional to 4,276.56, 6,421.20 and 2,628.36

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Solution

The fourth proportional to 4,276.56, 6,421.20 and 2,628.36 is: 3,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.56 : 6,421.20 = 2,628.36 : x
  2. Step 2: Convert to fraction form
    4,276.56/6,421.20 = 2,628.36/x
  3. Step 3: Cross multiply
    4,276.56x = 6,421.20 × 2,628.36
  4. Step 4: Simplify right side
    4,276.56x = 16,877,225.23
  5. Step 5: Solve for x
    x = 16,877,225.23/4,276.56
  6. Step 6: Final answer
    x = 3,946.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.