Home / 5,981.56-8,970-3,517

Finding the Fourth Proportional to 5,981.56, 8,970 and 3,517

Calculator

Solution

The fourth proportional to 5,981.56, 8,970 and 3,517 is: 5,274.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.56 : 8,970 = 3,517 : x
  2. Step 2: Convert to fraction form
    5,981.56/8,970 = 3,517/x
  3. Step 3: Cross multiply
    5,981.56x = 8,970 × 3,517
  4. Step 4: Simplify right side
    5,981.56x = 31,547,490
  5. Step 5: Solve for x
    x = 31,547,490/5,981.56
  6. Step 6: Final answer
    x = 5,274.12

Related Problems

Find fourth proportional to 2,990.78, 4,485 and 1,758.50
Half scale
Find fourth proportional to 11,963.12, 17,940 and 7,034
Double scale
Find fourth proportional to 5,982.56, 8,971.50 and 3,518
Similar ratio
Find fourth proportional to 8,972.34, 13,455 and 5,275.50
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.