Home / 5,779.31-8,667.39-1,619.06

Finding the Fourth Proportional to 5,779.31, 8,667.39 and 1,619.06

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Solution

The fourth proportional to 5,779.31, 8,667.39 and 1,619.06 is: 2,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.31 : 8,667.39 = 1,619.06 : x
  2. Step 2: Convert to fraction form
    5,779.31/8,667.39 = 1,619.06/x
  3. Step 3: Cross multiply
    5,779.31x = 8,667.39 × 1,619.06
  4. Step 4: Simplify right side
    5,779.31x = 14,033,024.45
  5. Step 5: Solve for x
    x = 14,033,024.45/5,779.31
  6. Step 6: Final answer
    x = 2,428.15

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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.