Home / 5,267.72-7,902-1,805

Finding the Fourth Proportional to 5,267.72, 7,902 and 1,805

Calculator

Solution

The fourth proportional to 5,267.72, 7,902 and 1,805 is: 2,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.72 : 7,902 = 1,805 : x
  2. Step 2: Convert to fraction form
    5,267.72/7,902 = 1,805/x
  3. Step 3: Cross multiply
    5,267.72x = 7,902 × 1,805
  4. Step 4: Simplify right side
    5,267.72x = 14,263,110
  5. Step 5: Solve for x
    x = 14,263,110/5,267.72
  6. Step 6: Final answer
    x = 2,707.64

Related Problems

Find fourth proportional to 2,633.86, 3,951 and 902.50
Half scale
Find fourth proportional to 10,535.44, 15,804 and 3,610
Double scale
Find fourth proportional to 5,268.72, 7,903.50 and 1,806
Similar ratio
Find fourth proportional to 7,901.58, 11,853 and 2,707.50
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.