Home / 4,378.28-6,567.26-1,091.36

Finding the Fourth Proportional to 4,378.28, 6,567.26 and 1,091.36

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Solution

The fourth proportional to 4,378.28, 6,567.26 and 1,091.36 is: 1,637.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.28 : 6,567.26 = 1,091.36 : x
  2. Step 2: Convert to fraction form
    4,378.28/6,567.26 = 1,091.36/x
  3. Step 3: Cross multiply
    4,378.28x = 6,567.26 × 1,091.36
  4. Step 4: Simplify right side
    4,378.28x = 7,167,244.87
  5. Step 5: Solve for x
    x = 7,167,244.87/4,378.28
  6. Step 6: Final answer
    x = 1,637.00

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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.