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Finding the Fourth Proportional to 6,328.98, 8,724.06 and 4,336.11

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Solution

The fourth proportional to 6,328.98, 8,724.06 and 4,336.11 is: 5,977.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328.98 : 8,724.06 = 4,336.11 : x
  2. Step 2: Convert to fraction form
    6,328.98/8,724.06 = 4,336.11/x
  3. Step 3: Cross multiply
    6,328.98x = 8,724.06 × 4,336.11
  4. Step 4: Simplify right side
    6,328.98x = 37,828,483.81
  5. Step 5: Solve for x
    x = 37,828,483.81/6,328.98
  6. Step 6: Final answer
    x = 5,977.03

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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.