Home / 4,284.89-6,430.20-1,511.58

Finding the Fourth Proportional to 4,284.89, 6,430.20 and 1,511.58

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Solution

The fourth proportional to 4,284.89, 6,430.20 and 1,511.58 is: 2,268.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.89 : 6,430.20 = 1,511.58 : x
  2. Step 2: Convert to fraction form
    4,284.89/6,430.20 = 1,511.58/x
  3. Step 3: Cross multiply
    4,284.89x = 6,430.20 × 1,511.58
  4. Step 4: Simplify right side
    4,284.89x = 9,719,761.72
  5. Step 5: Solve for x
    x = 9,719,761.72/4,284.89
  6. Step 6: Final answer
    x = 2,268.38

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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.