Home / 5,384.25-7,430.36-3,259.85

Finding the Fourth Proportional to 5,384.25, 7,430.36 and 3,259.85

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Solution

The fourth proportional to 5,384.25, 7,430.36 and 3,259.85 is: 4,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.25 : 7,430.36 = 3,259.85 : x
  2. Step 2: Convert to fraction form
    5,384.25/7,430.36 = 3,259.85/x
  3. Step 3: Cross multiply
    5,384.25x = 7,430.36 × 3,259.85
  4. Step 4: Simplify right side
    5,384.25x = 24,221,805.59
  5. Step 5: Solve for x
    x = 24,221,805.59/5,384.25
  6. Step 6: Final answer
    x = 4,498.64

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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.