Home / 4,442.43-6,130.78-2,947.80

Finding the Fourth Proportional to 4,442.43, 6,130.78 and 2,947.80

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Solution

The fourth proportional to 4,442.43, 6,130.78 and 2,947.80 is: 4,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.43 : 6,130.78 = 2,947.80 : x
  2. Step 2: Convert to fraction form
    4,442.43/6,130.78 = 2,947.80/x
  3. Step 3: Cross multiply
    4,442.43x = 6,130.78 × 2,947.80
  4. Step 4: Simplify right side
    4,442.43x = 18,072,305.91
  5. Step 5: Solve for x
    x = 18,072,305.91/4,442.43
  6. Step 6: Final answer
    x = 4,068.11

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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.