Home / 5,477.10-8,216.96-1,779.36

Finding the Fourth Proportional to 5,477.10, 8,216.96 and 1,779.36

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Solution

The fourth proportional to 5,477.10, 8,216.96 and 1,779.36 is: 2,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.10 : 8,216.96 = 1,779.36 : x
  2. Step 2: Convert to fraction form
    5,477.10/8,216.96 = 1,779.36/x
  3. Step 3: Cross multiply
    5,477.10x = 8,216.96 × 1,779.36
  4. Step 4: Simplify right side
    5,477.10x = 14,620,921.05
  5. Step 5: Solve for x
    x = 14,620,921.05/5,477.10
  6. Step 6: Final answer
    x = 2,669.46

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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.