Home / 6,401-9,601.50-1,784

Finding the Fourth Proportional to 6,401, 9,601.50 and 1,784

Calculator

Solution

The fourth proportional to 6,401, 9,601.50 and 1,784 is: 2,676

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401 : 9,601.50 = 1,784 : x
  2. Step 2: Convert to fraction form
    6,401/9,601.50 = 1,784/x
  3. Step 3: Cross multiply
    6,401x = 9,601.50 × 1,784
  4. Step 4: Simplify right side
    6,401x = 17,129,076
  5. Step 5: Solve for x
    x = 17,129,076/6,401
  6. Step 6: Final answer
    x = 2,676

Related Problems

Find fourth proportional to 3,200.50, 4,800.75 and 892
Half scale
Find fourth proportional to 12,802, 19,203 and 3,568
Double scale
Find fourth proportional to 6,402, 9,603 and 1,785
Similar ratio
Find fourth proportional to 9,601.50, 14,402.25 and 2,676
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.