Home / 4,206.61-6,309.93-1,284.91

Finding the Fourth Proportional to 4,206.61, 6,309.93 and 1,284.91

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Solution

The fourth proportional to 4,206.61, 6,309.93 and 1,284.91 is: 1,927.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.61 : 6,309.93 = 1,284.91 : x
  2. Step 2: Convert to fraction form
    4,206.61/6,309.93 = 1,284.91/x
  3. Step 3: Cross multiply
    4,206.61x = 6,309.93 × 1,284.91
  4. Step 4: Simplify right side
    4,206.61x = 8,107,681.20
  5. Step 5: Solve for x
    x = 8,107,681.20/4,206.61
  6. Step 6: Final answer
    x = 1,927.37

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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.