Home / 4,278.04-6,416.94-1,356.28

Finding the Fourth Proportional to 4,278.04, 6,416.94 and 1,356.28

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Solution

The fourth proportional to 4,278.04, 6,416.94 and 1,356.28 is: 2,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.04 : 6,416.94 = 1,356.28 : x
  2. Step 2: Convert to fraction form
    4,278.04/6,416.94 = 1,356.28/x
  3. Step 3: Cross multiply
    4,278.04x = 6,416.94 × 1,356.28
  4. Step 4: Simplify right side
    4,278.04x = 8,703,167.38
  5. Step 5: Solve for x
    x = 8,703,167.38/4,278.04
  6. Step 6: Final answer
    x = 2,034.38

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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.