Home / 5,509.54-8,264.55-1,561.09

Finding the Fourth Proportional to 5,509.54, 8,264.55 and 1,561.09

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Solution

The fourth proportional to 5,509.54, 8,264.55 and 1,561.09 is: 2,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.54 : 8,264.55 = 1,561.09 : x
  2. Step 2: Convert to fraction form
    5,509.54/8,264.55 = 1,561.09/x
  3. Step 3: Cross multiply
    5,509.54x = 8,264.55 × 1,561.09
  4. Step 4: Simplify right side
    5,509.54x = 12,901,706.36
  5. Step 5: Solve for x
    x = 12,901,706.36/5,509.54
  6. Step 6: Final answer
    x = 2,341.70

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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.