Home / 6,280-9,420-3,544

Finding the Fourth Proportional to 6,280, 9,420 and 3,544

Calculator

Solution

The fourth proportional to 6,280, 9,420 and 3,544 is: 5,316

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280 : 9,420 = 3,544 : x
  2. Step 2: Convert to fraction form
    6,280/9,420 = 3,544/x
  3. Step 3: Cross multiply
    6,280x = 9,420 × 3,544
  4. Step 4: Simplify right side
    6,280x = 33,384,480
  5. Step 5: Solve for x
    x = 33,384,480/6,280
  6. Step 6: Final answer
    x = 5,316

Related Problems

Find fourth proportional to 3,140, 4,710 and 1,772
Half scale
Find fourth proportional to 12,560, 18,840 and 7,088
Double scale
Find fourth proportional to 6,281, 9,421.50 and 3,545
Similar ratio
Find fourth proportional to 9,420, 14,130 and 5,316
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.