Home / 9,815.30-14,718.02-4,545.78

Finding the Fourth Proportional to 9,815.30, 14,718.02 and 4,545.78

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Solution

The fourth proportional to 9,815.30, 14,718.02 and 4,545.78 is: 6,816.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.30 : 14,718.02 = 4,545.78 : x
  2. Step 2: Convert to fraction form
    9,815.30/14,718.02 = 4,545.78/x
  3. Step 3: Cross multiply
    9,815.30x = 14,718.02 × 4,545.78
  4. Step 4: Simplify right side
    9,815.30x = 66,904,880.96
  5. Step 5: Solve for x
    x = 66,904,880.96/9,815.30
  6. Step 6: Final answer
    x = 6,816.39

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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.