Home / 4,639.98-6,955.08-3,178.74

Finding the Fourth Proportional to 4,639.98, 6,955.08 and 3,178.74

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Solution

The fourth proportional to 4,639.98, 6,955.08 and 3,178.74 is: 4,764.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.98 : 6,955.08 = 3,178.74 : x
  2. Step 2: Convert to fraction form
    4,639.98/6,955.08 = 3,178.74/x
  3. Step 3: Cross multiply
    4,639.98x = 6,955.08 × 3,178.74
  4. Step 4: Simplify right side
    4,639.98x = 22,108,391.00
  5. Step 5: Solve for x
    x = 22,108,391.00/4,639.98
  6. Step 6: Final answer
    x = 4,764.76

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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.