Home / 5,156.13-7,738.29-1,870.14

Finding the Fourth Proportional to 5,156.13, 7,738.29 and 1,870.14

Calculator

Solution

The fourth proportional to 5,156.13, 7,738.29 and 1,870.14 is: 2,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.13 : 7,738.29 = 1,870.14 : x
  2. Step 2: Convert to fraction form
    5,156.13/7,738.29 = 1,870.14/x
  3. Step 3: Cross multiply
    5,156.13x = 7,738.29 × 1,870.14
  4. Step 4: Simplify right side
    5,156.13x = 14,471,685.66
  5. Step 5: Solve for x
    x = 14,471,685.66/5,156.13
  6. Step 6: Final answer
    x = 2,806.70

Related Problems

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.