Home / 5,854.80-8,782.26-1,959.10

Finding the Fourth Proportional to 5,854.80, 8,782.26 and 1,959.10

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Solution

The fourth proportional to 5,854.80, 8,782.26 and 1,959.10 is: 2,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.80 : 8,782.26 = 1,959.10 : x
  2. Step 2: Convert to fraction form
    5,854.80/8,782.26 = 1,959.10/x
  3. Step 3: Cross multiply
    5,854.80x = 8,782.26 × 1,959.10
  4. Step 4: Simplify right side
    5,854.80x = 17,205,325.57
  5. Step 5: Solve for x
    x = 17,205,325.57/5,854.80
  6. Step 6: Final answer
    x = 2,938.67

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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.