Home / 7,822.16-10,794.58-4,285.40

Finding the Fourth Proportional to 7,822.16, 10,794.58 and 4,285.40

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Solution

The fourth proportional to 7,822.16, 10,794.58 and 4,285.40 is: 5,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.16 : 10,794.58 = 4,285.40 : x
  2. Step 2: Convert to fraction form
    7,822.16/10,794.58 = 4,285.40/x
  3. Step 3: Cross multiply
    7,822.16x = 10,794.58 × 4,285.40
  4. Step 4: Simplify right side
    7,822.16x = 46,259,093.13
  5. Step 5: Solve for x
    x = 46,259,093.13/7,822.16
  6. Step 6: Final answer
    x = 5,913.85

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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.