Home / 5,660.19-8,488.23-1,961.40

Finding the Fourth Proportional to 5,660.19, 8,488.23 and 1,961.40

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Solution

The fourth proportional to 5,660.19, 8,488.23 and 1,961.40 is: 2,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.19 : 8,488.23 = 1,961.40 : x
  2. Step 2: Convert to fraction form
    5,660.19/8,488.23 = 1,961.40/x
  3. Step 3: Cross multiply
    5,660.19x = 8,488.23 × 1,961.40
  4. Step 4: Simplify right side
    5,660.19x = 16,648,814.32
  5. Step 5: Solve for x
    x = 16,648,814.32/5,660.19
  6. Step 6: Final answer
    x = 2,941.39

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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.