Home / 7,821.93-10,794.24-4,285.11

Finding the Fourth Proportional to 7,821.93, 10,794.24 and 4,285.11

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Solution

The fourth proportional to 7,821.93, 10,794.24 and 4,285.11 is: 5,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.93 : 10,794.24 = 4,285.11 : x
  2. Step 2: Convert to fraction form
    7,821.93/10,794.24 = 4,285.11/x
  3. Step 3: Cross multiply
    7,821.93x = 10,794.24 × 4,285.11
  4. Step 4: Simplify right side
    7,821.93x = 46,254,505.77
  5. Step 5: Solve for x
    x = 46,254,505.77/7,821.93
  6. Step 6: Final answer
    x = 5,913.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.