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Finding the Fourth Proportional to 5,953.28, 8,929.80 and 1,571.12

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Solution

The fourth proportional to 5,953.28, 8,929.80 and 1,571.12 is: 2,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,953.28 : 8,929.80 = 1,571.12 : x
  2. Step 2: Convert to fraction form
    5,953.28/8,929.80 = 1,571.12/x
  3. Step 3: Cross multiply
    5,953.28x = 8,929.80 × 1,571.12
  4. Step 4: Simplify right side
    5,953.28x = 14,029,787.38
  5. Step 5: Solve for x
    x = 14,029,787.38/5,953.28
  6. Step 6: Final answer
    x = 2,356.65

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1.5x scale

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.