Home / 8,225.61-12,338.58-2,678.94

Finding the Fourth Proportional to 8,225.61, 12,338.58 and 2,678.94

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Solution

The fourth proportional to 8,225.61, 12,338.58 and 2,678.94 is: 4,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.61 : 12,338.58 = 2,678.94 : x
  2. Step 2: Convert to fraction form
    8,225.61/12,338.58 = 2,678.94/x
  3. Step 3: Cross multiply
    8,225.61x = 12,338.58 × 2,678.94
  4. Step 4: Simplify right side
    8,225.61x = 33,054,315.51
  5. Step 5: Solve for x
    x = 33,054,315.51/8,225.61
  6. Step 6: Final answer
    x = 4,018.46

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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.