Home / 4,263.79-6,395.70-1,664.91

Finding the Fourth Proportional to 4,263.79, 6,395.70 and 1,664.91

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Solution

The fourth proportional to 4,263.79, 6,395.70 and 1,664.91 is: 2,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.79 : 6,395.70 = 1,664.91 : x
  2. Step 2: Convert to fraction form
    4,263.79/6,395.70 = 1,664.91/x
  3. Step 3: Cross multiply
    4,263.79x = 6,395.70 × 1,664.91
  4. Step 4: Simplify right side
    4,263.79x = 10,648,224.58
  5. Step 5: Solve for x
    x = 10,648,224.58/4,263.79
  6. Step 6: Final answer
    x = 2,497.36

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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.