Home / 6,810.68-10,216.02-1,880.30

Finding the Fourth Proportional to 6,810.68, 10,216.02 and 1,880.30

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Solution

The fourth proportional to 6,810.68, 10,216.02 and 1,880.30 is: 2,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.68 : 10,216.02 = 1,880.30 : x
  2. Step 2: Convert to fraction form
    6,810.68/10,216.02 = 1,880.30/x
  3. Step 3: Cross multiply
    6,810.68x = 10,216.02 × 1,880.30
  4. Step 4: Simplify right side
    6,810.68x = 19,209,182.41
  5. Step 5: Solve for x
    x = 19,209,182.41/6,810.68
  6. Step 6: Final answer
    x = 2,820.45

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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.