Home / 7,822.07-10,794.45-4,678.25

Finding the Fourth Proportional to 7,822.07, 10,794.45 and 4,678.25

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Solution

The fourth proportional to 7,822.07, 10,794.45 and 4,678.25 is: 6,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.07 : 10,794.45 = 4,678.25 : x
  2. Step 2: Convert to fraction form
    7,822.07/10,794.45 = 4,678.25/x
  3. Step 3: Cross multiply
    7,822.07x = 10,794.45 × 4,678.25
  4. Step 4: Simplify right side
    7,822.07x = 50,499,112.32
  5. Step 5: Solve for x
    x = 50,499,112.32/7,822.07
  6. Step 6: Final answer
    x = 6,455.98

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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.