Home / 7,210.62-10,815.87-2,280.27

Finding the Fourth Proportional to 7,210.62, 10,815.87 and 2,280.27

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Solution

The fourth proportional to 7,210.62, 10,815.87 and 2,280.27 is: 3,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.62 : 10,815.87 = 2,280.27 : x
  2. Step 2: Convert to fraction form
    7,210.62/10,815.87 = 2,280.27/x
  3. Step 3: Cross multiply
    7,210.62x = 10,815.87 × 2,280.27
  4. Step 4: Simplify right side
    7,210.62x = 24,663,038.40
  5. Step 5: Solve for x
    x = 24,663,038.40/7,210.62
  6. Step 6: Final answer
    x = 3,420.38

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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.