Home / 4,316.20-5,953.20-2,821.72

Finding the Fourth Proportional to 4,316.20, 5,953.20 and 2,821.72

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Solution

The fourth proportional to 4,316.20, 5,953.20 and 2,821.72 is: 3,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.20 : 5,953.20 = 2,821.72 : x
  2. Step 2: Convert to fraction form
    4,316.20/5,953.20 = 2,821.72/x
  3. Step 3: Cross multiply
    4,316.20x = 5,953.20 × 2,821.72
  4. Step 4: Simplify right side
    4,316.20x = 16,798,263.50
  5. Step 5: Solve for x
    x = 16,798,263.50/4,316.20
  6. Step 6: Final answer
    x = 3,891.91

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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.