Home / 4,623.40-6,384.78-3,956.35

Finding the Fourth Proportional to 4,623.40, 6,384.78 and 3,956.35

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Solution

The fourth proportional to 4,623.40, 6,384.78 and 3,956.35 is: 5,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,623.40 : 6,384.78 = 3,956.35 : x
  2. Step 2: Convert to fraction form
    4,623.40/6,384.78 = 3,956.35/x
  3. Step 3: Cross multiply
    4,623.40x = 6,384.78 × 3,956.35
  4. Step 4: Simplify right side
    4,623.40x = 25,260,424.35
  5. Step 5: Solve for x
    x = 25,260,424.35/4,623.40
  6. Step 6: Final answer
    x = 5,463.60

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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.