Home / 5,705.40-8,559.32-1,810.08

Finding the Fourth Proportional to 5,705.40, 8,559.32 and 1,810.08

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Solution

The fourth proportional to 5,705.40, 8,559.32 and 1,810.08 is: 2,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.40 : 8,559.32 = 1,810.08 : x
  2. Step 2: Convert to fraction form
    5,705.40/8,559.32 = 1,810.08/x
  3. Step 3: Cross multiply
    5,705.40x = 8,559.32 × 1,810.08
  4. Step 4: Simplify right side
    5,705.40x = 15,493,053.95
  5. Step 5: Solve for x
    x = 15,493,053.95/5,705.40
  6. Step 6: Final answer
    x = 2,715.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.