Home / 4,205.15-6,308.72-1,283.43

Finding the Fourth Proportional to 4,205.15, 6,308.72 and 1,283.43

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Solution

The fourth proportional to 4,205.15, 6,308.72 and 1,283.43 is: 1,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.15 : 6,308.72 = 1,283.43 : x
  2. Step 2: Convert to fraction form
    4,205.15/6,308.72 = 1,283.43/x
  3. Step 3: Cross multiply
    4,205.15x = 6,308.72 × 1,283.43
  4. Step 4: Simplify right side
    4,205.15x = 8,096,800.51
  5. Step 5: Solve for x
    x = 8,096,800.51/4,205.15
  6. Step 6: Final answer
    x = 1,925.45

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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.