Home / 4,378.25-6,567.36-1,091.35

Finding the Fourth Proportional to 4,378.25, 6,567.36 and 1,091.35

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Solution

The fourth proportional to 4,378.25, 6,567.36 and 1,091.35 is: 1,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.25 : 6,567.36 = 1,091.35 : x
  2. Step 2: Convert to fraction form
    4,378.25/6,567.36 = 1,091.35/x
  3. Step 3: Cross multiply
    4,378.25x = 6,567.36 × 1,091.35
  4. Step 4: Simplify right side
    4,378.25x = 7,167,288.34
  5. Step 5: Solve for x
    x = 7,167,288.34/4,378.25
  6. Step 6: Final answer
    x = 1,637.02

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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.