Home / 5,551.77-8,330.37-2,431.35

Finding the Fourth Proportional to 5,551.77, 8,330.37 and 2,431.35

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Solution

The fourth proportional to 5,551.77, 8,330.37 and 2,431.35 is: 3,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.77 : 8,330.37 = 2,431.35 : x
  2. Step 2: Convert to fraction form
    5,551.77/8,330.37 = 2,431.35/x
  3. Step 3: Cross multiply
    5,551.77x = 8,330.37 × 2,431.35
  4. Step 4: Simplify right side
    5,551.77x = 20,254,045.10
  5. Step 5: Solve for x
    x = 20,254,045.10/5,551.77
  6. Step 6: Final answer
    x = 3,648.21

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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.