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Finding the Fourth Proportional to 6,384.64, 8,810.58 and 3,551.92

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Solution

The fourth proportional to 6,384.64, 8,810.58 and 3,551.92 is: 4,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.64 : 8,810.58 = 3,551.92 : x
  2. Step 2: Convert to fraction form
    6,384.64/8,810.58 = 3,551.92/x
  3. Step 3: Cross multiply
    6,384.64x = 8,810.58 × 3,551.92
  4. Step 4: Simplify right side
    6,384.64x = 31,294,475.31
  5. Step 5: Solve for x
    x = 31,294,475.31/6,384.64
  6. Step 6: Final answer
    x = 4,901.53

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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.