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Finding the Fourth Proportional to 4,641.88, 6,957.94 and 1,521.08

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Solution

The fourth proportional to 4,641.88, 6,957.94 and 1,521.08 is: 2,280.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,641.88 : 6,957.94 = 1,521.08 : x
  2. Step 2: Convert to fraction form
    4,641.88/6,957.94 = 1,521.08/x
  3. Step 3: Cross multiply
    4,641.88x = 6,957.94 × 1,521.08
  4. Step 4: Simplify right side
    4,641.88x = 10,583,583.38
  5. Step 5: Solve for x
    x = 10,583,583.38/4,641.88
  6. Step 6: Final answer
    x = 2,280.02

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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.