Home / 4,600.45-6,901.69-1,678.74

Finding the Fourth Proportional to 4,600.45, 6,901.69 and 1,678.74

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Solution

The fourth proportional to 4,600.45, 6,901.69 and 1,678.74 is: 2,518.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,600.45 : 6,901.69 = 1,678.74 : x
  2. Step 2: Convert to fraction form
    4,600.45/6,901.69 = 1,678.74/x
  3. Step 3: Cross multiply
    4,600.45x = 6,901.69 × 1,678.74
  4. Step 4: Simplify right side
    4,600.45x = 11,586,143.07
  5. Step 5: Solve for x
    x = 11,586,143.07/4,600.45
  6. Step 6: Final answer
    x = 2,518.48

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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.