Home / 9,779.40-14,668.74-4,157.28

Finding the Fourth Proportional to 9,779.40, 14,668.74 and 4,157.28

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Solution

The fourth proportional to 9,779.40, 14,668.74 and 4,157.28 is: 6,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.40 : 14,668.74 = 4,157.28 : x
  2. Step 2: Convert to fraction form
    9,779.40/14,668.74 = 4,157.28/x
  3. Step 3: Cross multiply
    9,779.40x = 14,668.74 × 4,157.28
  4. Step 4: Simplify right side
    9,779.40x = 60,982,059.43
  5. Step 5: Solve for x
    x = 60,982,059.43/9,779.40
  6. Step 6: Final answer
    x = 6,235.77

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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.