Home / 4,779.18-7,169.67-1,491.48

Finding the Fourth Proportional to 4,779.18, 7,169.67 and 1,491.48

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Solution

The fourth proportional to 4,779.18, 7,169.67 and 1,491.48 is: 2,237.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.18 : 7,169.67 = 1,491.48 : x
  2. Step 2: Convert to fraction form
    4,779.18/7,169.67 = 1,491.48/x
  3. Step 3: Cross multiply
    4,779.18x = 7,169.67 × 1,491.48
  4. Step 4: Simplify right side
    4,779.18x = 10,693,419.41
  5. Step 5: Solve for x
    x = 10,693,419.41/4,779.18
  6. Step 6: Final answer
    x = 2,237.50

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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.