Home / 4,779.13-7,166.86-1,491.15

Finding the Fourth Proportional to 4,779.13, 7,166.86 and 1,491.15

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Solution

The fourth proportional to 4,779.13, 7,166.86 and 1,491.15 is: 2,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.13 : 7,166.86 = 1,491.15 : x
  2. Step 2: Convert to fraction form
    4,779.13/7,166.86 = 1,491.15/x
  3. Step 3: Cross multiply
    4,779.13x = 7,166.86 × 1,491.15
  4. Step 4: Simplify right side
    4,779.13x = 10,686,863.29
  5. Step 5: Solve for x
    x = 10,686,863.29/4,779.13
  6. Step 6: Final answer
    x = 2,236.15

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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.