Home / 9,326.32-13,989.53-3,779.77

Finding the Fourth Proportional to 9,326.32, 13,989.53 and 3,779.77

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Solution

The fourth proportional to 9,326.32, 13,989.53 and 3,779.77 is: 5,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.32 : 13,989.53 = 3,779.77 : x
  2. Step 2: Convert to fraction form
    9,326.32/13,989.53 = 3,779.77/x
  3. Step 3: Cross multiply
    9,326.32x = 13,989.53 × 3,779.77
  4. Step 4: Simplify right side
    9,326.32x = 52,877,205.81
  5. Step 5: Solve for x
    x = 52,877,205.81/9,326.32
  6. Step 6: Final answer
    x = 5,669.68

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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.