Home / 5,284.02-7,926.03-1,821

Finding the Fourth Proportional to 5,284.02, 7,926.03 and 1,821

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Solution

The fourth proportional to 5,284.02, 7,926.03 and 1,821 is: 2,731.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.02 : 7,926.03 = 1,821 : x
  2. Step 2: Convert to fraction form
    5,284.02/7,926.03 = 1,821/x
  3. Step 3: Cross multiply
    5,284.02x = 7,926.03 × 1,821
  4. Step 4: Simplify right side
    5,284.02x = 14,433,300.63
  5. Step 5: Solve for x
    x = 14,433,300.63/5,284.02
  6. Step 6: Final answer
    x = 2,731.50

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Half scale
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Double scale
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Similar ratio
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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.