Home / 5,722.20-7,897.15-3,364.69

Finding the Fourth Proportional to 5,722.20, 7,897.15 and 3,364.69

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Solution

The fourth proportional to 5,722.20, 7,897.15 and 3,364.69 is: 4,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.20 : 7,897.15 = 3,364.69 : x
  2. Step 2: Convert to fraction form
    5,722.20/7,897.15 = 3,364.69/x
  3. Step 3: Cross multiply
    5,722.20x = 7,897.15 × 3,364.69
  4. Step 4: Simplify right side
    5,722.20x = 26,571,461.63
  5. Step 5: Solve for x
    x = 26,571,461.63/5,722.20
  6. Step 6: Final answer
    x = 4,643.57

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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.