Home / 4,384.10-6,047.78-3,187.74

Finding the Fourth Proportional to 4,384.10, 6,047.78 and 3,187.74

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Solution

The fourth proportional to 4,384.10, 6,047.78 and 3,187.74 is: 4,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,384.10 : 6,047.78 = 3,187.74 : x
  2. Step 2: Convert to fraction form
    4,384.10/6,047.78 = 3,187.74/x
  3. Step 3: Cross multiply
    4,384.10x = 6,047.78 × 3,187.74
  4. Step 4: Simplify right side
    4,384.10x = 19,278,750.22
  5. Step 5: Solve for x
    x = 19,278,750.22/4,384.10
  6. Step 6: Final answer
    x = 4,397.42

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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.