Home / 6,918.84-9,548-3,775

Finding the Fourth Proportional to 6,918.84, 9,548 and 3,775

Calculator

Solution

The fourth proportional to 6,918.84, 9,548 and 3,775 is: 5,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.84 : 9,548 = 3,775 : x
  2. Step 2: Convert to fraction form
    6,918.84/9,548 = 3,775/x
  3. Step 3: Cross multiply
    6,918.84x = 9,548 × 3,775
  4. Step 4: Simplify right side
    6,918.84x = 36,043,700
  5. Step 5: Solve for x
    x = 36,043,700/6,918.84
  6. Step 6: Final answer
    x = 5,209.50

Related Problems

Find fourth proportional to 3,459.42, 4,774 and 1,887.50
Half scale
Find fourth proportional to 13,837.68, 19,096 and 7,550
Double scale
Find fourth proportional to 6,919.84, 9,549.38 and 3,776
Similar ratio
Find fourth proportional to 10,378.26, 14,322 and 5,662.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.