Home / 9,188.10-13,779.45-3,639.60

Finding the Fourth Proportional to 9,188.10, 13,779.45 and 3,639.60

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Solution

The fourth proportional to 9,188.10, 13,779.45 and 3,639.60 is: 5,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.10 : 13,779.45 = 3,639.60 : x
  2. Step 2: Convert to fraction form
    9,188.10/13,779.45 = 3,639.60/x
  3. Step 3: Cross multiply
    9,188.10x = 13,779.45 × 3,639.60
  4. Step 4: Simplify right side
    9,188.10x = 50,151,686.22
  5. Step 5: Solve for x
    x = 50,151,686.22/9,188.10
  6. Step 6: Final answer
    x = 5,458.33

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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.