Home / 4,280.12-6,417.43-1,814.28

Finding the Fourth Proportional to 4,280.12, 6,417.43 and 1,814.28

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Solution

The fourth proportional to 4,280.12, 6,417.43 and 1,814.28 is: 2,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.12 : 6,417.43 = 1,814.28 : x
  2. Step 2: Convert to fraction form
    4,280.12/6,417.43 = 1,814.28/x
  3. Step 3: Cross multiply
    4,280.12x = 6,417.43 × 1,814.28
  4. Step 4: Simplify right side
    4,280.12x = 11,642,986.30
  5. Step 5: Solve for x
    x = 11,642,986.30/4,280.12
  6. Step 6: Final answer
    x = 2,720.25

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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.