Home / 4,558-7,140.50

Finding the Third Proportional to 4,558 and 7,140.50

Calculator

Solution

The third proportional to 4,558 and 7,140.50 is: 11,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558 : 7,140.50 = 7,140.50 : x
  2. Step 2: Convert to fraction form
    4,558/7,140.50 = 7,140.50/x
  3. Step 3: Cross multiply
    4,558x = 7,140.50 × 7,140.50
  4. Step 4: Simplify right side
    4,558x = 50,986,740.25
  5. Step 5: Solve for x
    x = 50,986,740.25/4,558
  6. Step 6: Final answer
    x = 11,186.21

Related Problems

Find third proportional to 2,279 and 3,570.25
Half scale
Find third proportional to 9,116 and 14,281
Double scale
Find third proportional to 4,560 and 7,144
Similar ratio
Find third proportional to 6,837 and 10,710.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.