Home / 7,210.10-10,821.83-4,442.18

Finding the Fourth Proportional to 7,210.10, 10,821.83 and 4,442.18

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Solution

The fourth proportional to 7,210.10, 10,821.83 and 4,442.18 is: 6,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.10 : 10,821.83 = 4,442.18 : x
  2. Step 2: Convert to fraction form
    7,210.10/10,821.83 = 4,442.18/x
  3. Step 3: Cross multiply
    7,210.10x = 10,821.83 × 4,442.18
  4. Step 4: Simplify right side
    7,210.10x = 48,072,440.47
  5. Step 5: Solve for x
    x = 48,072,440.47/7,210.10
  6. Step 6: Final answer
    x = 6,667.38

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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.