Home / 4,284.90-6,427.08-1,365.30

Finding the Fourth Proportional to 4,284.90, 6,427.08 and 1,365.30

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Solution

The fourth proportional to 4,284.90, 6,427.08 and 1,365.30 is: 2,047.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.90 : 6,427.08 = 1,365.30 : x
  2. Step 2: Convert to fraction form
    4,284.90/6,427.08 = 1,365.30/x
  3. Step 3: Cross multiply
    4,284.90x = 6,427.08 × 1,365.30
  4. Step 4: Simplify right side
    4,284.90x = 8,774,892.32
  5. Step 5: Solve for x
    x = 8,774,892.32/4,284.90
  6. Step 6: Final answer
    x = 2,047.86

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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.