Home / 4,356.05-6,012.30-2,678.90

Finding the Fourth Proportional to 4,356.05, 6,012.30 and 2,678.90

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Solution

The fourth proportional to 4,356.05, 6,012.30 and 2,678.90 is: 3,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,356.05 : 6,012.30 = 2,678.90 : x
  2. Step 2: Convert to fraction form
    4,356.05/6,012.30 = 2,678.90/x
  3. Step 3: Cross multiply
    4,356.05x = 6,012.30 × 2,678.90
  4. Step 4: Simplify right side
    4,356.05x = 16,106,350.47
  5. Step 5: Solve for x
    x = 16,106,350.47/4,356.05
  6. Step 6: Final answer
    x = 3,697.47

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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.