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Finding the Fourth Proportional to 5,855.69, 8,784.45 and 1,959.19

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Solution

The fourth proportional to 5,855.69, 8,784.45 and 1,959.19 is: 2,939.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.69 : 8,784.45 = 1,959.19 : x
  2. Step 2: Convert to fraction form
    5,855.69/8,784.45 = 1,959.19/x
  3. Step 3: Cross multiply
    5,855.69x = 8,784.45 × 1,959.19
  4. Step 4: Simplify right side
    5,855.69x = 17,210,384.63
  5. Step 5: Solve for x
    x = 17,210,384.63/5,855.69
  6. Step 6: Final answer
    x = 2,939.09

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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.