Home / 6,605-9,907.50-2,501

Finding the Fourth Proportional to 6,605, 9,907.50 and 2,501

Calculator

Solution

The fourth proportional to 6,605, 9,907.50 and 2,501 is: 3,751.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605 : 9,907.50 = 2,501 : x
  2. Step 2: Convert to fraction form
    6,605/9,907.50 = 2,501/x
  3. Step 3: Cross multiply
    6,605x = 9,907.50 × 2,501
  4. Step 4: Simplify right side
    6,605x = 24,778,657.50
  5. Step 5: Solve for x
    x = 24,778,657.50/6,605
  6. Step 6: Final answer
    x = 3,751.50

Related Problems

Find fourth proportional to 3,302.50, 4,953.75 and 1,250.50
Half scale
Find fourth proportional to 13,210, 19,815 and 5,002
Double scale
Find fourth proportional to 6,606, 9,909 and 2,502
Similar ratio
Find fourth proportional to 9,907.50, 14,861.25 and 3,751.50
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.