Home / 4,326.71-5,969.90-2,557.40

Finding the Fourth Proportional to 4,326.71, 5,969.90 and 2,557.40

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Solution

The fourth proportional to 4,326.71, 5,969.90 and 2,557.40 is: 3,528.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.71 : 5,969.90 = 2,557.40 : x
  2. Step 2: Convert to fraction form
    4,326.71/5,969.90 = 2,557.40/x
  3. Step 3: Cross multiply
    4,326.71x = 5,969.90 × 2,557.40
  4. Step 4: Simplify right side
    4,326.71x = 15,267,379.62
  5. Step 5: Solve for x
    x = 15,267,379.62/4,326.71
  6. Step 6: Final answer
    x = 3,528.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.