Home / 5,746.78-8,618.58-1,585.81

Finding the Fourth Proportional to 5,746.78, 8,618.58 and 1,585.81

Calculator

Solution

The fourth proportional to 5,746.78, 8,618.58 and 1,585.81 is: 2,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,746.78 : 8,618.58 = 1,585.81 : x
  2. Step 2: Convert to fraction form
    5,746.78/8,618.58 = 1,585.81/x
  3. Step 3: Cross multiply
    5,746.78x = 8,618.58 × 1,585.81
  4. Step 4: Simplify right side
    5,746.78x = 13,667,430.35
  5. Step 5: Solve for x
    x = 13,667,430.35/5,746.78
  6. Step 6: Final answer
    x = 2,378.28

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.