Home / 6,974-10,461-2,870

Finding the Fourth Proportional to 6,974, 10,461 and 2,870

Calculator

Solution

The fourth proportional to 6,974, 10,461 and 2,870 is: 4,305

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974 : 10,461 = 2,870 : x
  2. Step 2: Convert to fraction form
    6,974/10,461 = 2,870/x
  3. Step 3: Cross multiply
    6,974x = 10,461 × 2,870
  4. Step 4: Simplify right side
    6,974x = 30,023,070
  5. Step 5: Solve for x
    x = 30,023,070/6,974
  6. Step 6: Final answer
    x = 4,305

Related Problems

Find fourth proportional to 3,487, 5,230.50 and 1,435
Half scale
Find fourth proportional to 13,948, 20,922 and 5,740
Double scale
Find fourth proportional to 6,975, 10,462.50 and 2,871
Similar ratio
Find fourth proportional to 10,461, 15,691.50 and 4,305
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.