Home / 5,940.08-8,911.44-1,780.40

Finding the Fourth Proportional to 5,940.08, 8,911.44 and 1,780.40

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Solution

The fourth proportional to 5,940.08, 8,911.44 and 1,780.40 is: 2,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.08 : 8,911.44 = 1,780.40 : x
  2. Step 2: Convert to fraction form
    5,940.08/8,911.44 = 1,780.40/x
  3. Step 3: Cross multiply
    5,940.08x = 8,911.44 × 1,780.40
  4. Step 4: Simplify right side
    5,940.08x = 15,865,927.78
  5. Step 5: Solve for x
    x = 15,865,927.78/5,940.08
  6. Step 6: Final answer
    x = 2,671.00

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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.