Home / 9,188.58-13,779.63-4,257.30

Finding the Fourth Proportional to 9,188.58, 13,779.63 and 4,257.30

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Solution

The fourth proportional to 9,188.58, 13,779.63 and 4,257.30 is: 6,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.58 : 13,779.63 = 4,257.30 : x
  2. Step 2: Convert to fraction form
    9,188.58/13,779.63 = 4,257.30/x
  3. Step 3: Cross multiply
    9,188.58x = 13,779.63 × 4,257.30
  4. Step 4: Simplify right side
    9,188.58x = 58,664,018.80
  5. Step 5: Solve for x
    x = 58,664,018.80/9,188.58
  6. Step 6: Final answer
    x = 6,384.45

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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.