Home / 4,621.79-6,378.78-2,943.93

Finding the Fourth Proportional to 4,621.79, 6,378.78 and 2,943.93

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Solution

The fourth proportional to 4,621.79, 6,378.78 and 2,943.93 is: 4,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.79 : 6,378.78 = 2,943.93 : x
  2. Step 2: Convert to fraction form
    4,621.79/6,378.78 = 2,943.93/x
  3. Step 3: Cross multiply
    4,621.79x = 6,378.78 × 2,943.93
  4. Step 4: Simplify right side
    4,621.79x = 18,778,681.81
  5. Step 5: Solve for x
    x = 18,778,681.81/4,621.79
  6. Step 6: Final answer
    x = 4,063.08

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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.