Home / 4,284.77-6,427.65-1,323.30

Finding the Fourth Proportional to 4,284.77, 6,427.65 and 1,323.30

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Solution

The fourth proportional to 4,284.77, 6,427.65 and 1,323.30 is: 1,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.77 : 6,427.65 = 1,323.30 : x
  2. Step 2: Convert to fraction form
    4,284.77/6,427.65 = 1,323.30/x
  3. Step 3: Cross multiply
    4,284.77x = 6,427.65 × 1,323.30
  4. Step 4: Simplify right side
    4,284.77x = 8,505,738.31
  5. Step 5: Solve for x
    x = 8,505,738.31/4,284.77
  6. Step 6: Final answer
    x = 1,985.11

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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.