Home / 6,276.18-9,420.36-3,356.55

Finding the Fourth Proportional to 6,276.18, 9,420.36 and 3,356.55

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Solution

The fourth proportional to 6,276.18, 9,420.36 and 3,356.55 is: 5,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.18 : 9,420.36 = 3,356.55 : x
  2. Step 2: Convert to fraction form
    6,276.18/9,420.36 = 3,356.55/x
  3. Step 3: Cross multiply
    6,276.18x = 9,420.36 × 3,356.55
  4. Step 4: Simplify right side
    6,276.18x = 31,619,909.36
  5. Step 5: Solve for x
    x = 31,619,909.36/6,276.18
  6. Step 6: Final answer
    x = 5,038.08

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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.