Home / 5,500.81-8,250.40-1,803.19

Finding the Fourth Proportional to 5,500.81, 8,250.40 and 1,803.19

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Solution

The fourth proportional to 5,500.81, 8,250.40 and 1,803.19 is: 2,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.81 : 8,250.40 = 1,803.19 : x
  2. Step 2: Convert to fraction form
    5,500.81/8,250.40 = 1,803.19/x
  3. Step 3: Cross multiply
    5,500.81x = 8,250.40 × 1,803.19
  4. Step 4: Simplify right side
    5,500.81x = 14,877,038.78
  5. Step 5: Solve for x
    x = 14,877,038.78/5,500.81
  6. Step 6: Final answer
    x = 2,704.52

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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.