Home / 5,477.70-8,218.50-1,779.93

Finding the Fourth Proportional to 5,477.70, 8,218.50 and 1,779.93

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Solution

The fourth proportional to 5,477.70, 8,218.50 and 1,779.93 is: 2,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.70 : 8,218.50 = 1,779.93 : x
  2. Step 2: Convert to fraction form
    5,477.70/8,218.50 = 1,779.93/x
  3. Step 3: Cross multiply
    5,477.70x = 8,218.50 × 1,779.93
  4. Step 4: Simplify right side
    5,477.70x = 14,628,354.71
  5. Step 5: Solve for x
    x = 14,628,354.71/5,477.70
  6. Step 6: Final answer
    x = 2,670.53

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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.