Home / 5,405.06-8,106.02-2,285.76

Finding the Fourth Proportional to 5,405.06, 8,106.02 and 2,285.76

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Solution

The fourth proportional to 5,405.06, 8,106.02 and 2,285.76 is: 3,427.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.06 : 8,106.02 = 2,285.76 : x
  2. Step 2: Convert to fraction form
    5,405.06/8,106.02 = 2,285.76/x
  3. Step 3: Cross multiply
    5,405.06x = 8,106.02 × 2,285.76
  4. Step 4: Simplify right side
    5,405.06x = 18,528,404.85
  5. Step 5: Solve for x
    x = 18,528,404.85/5,405.06
  6. Step 6: Final answer
    x = 3,427.98

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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.