Home / 5,509.94-8,264.91-1,405.94

Finding the Fourth Proportional to 5,509.94, 8,264.91 and 1,405.94

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Solution

The fourth proportional to 5,509.94, 8,264.91 and 1,405.94 is: 2,108.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.94 : 8,264.91 = 1,405.94 : x
  2. Step 2: Convert to fraction form
    5,509.94/8,264.91 = 1,405.94/x
  3. Step 3: Cross multiply
    5,509.94x = 8,264.91 × 1,405.94
  4. Step 4: Simplify right side
    5,509.94x = 11,619,967.57
  5. Step 5: Solve for x
    x = 11,619,967.57/5,509.94
  6. Step 6: Final answer
    x = 2,108.91

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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.