Home / 5,820.17-8,731.02-1,870.12

Finding the Fourth Proportional to 5,820.17, 8,731.02 and 1,870.12

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Solution

The fourth proportional to 5,820.17, 8,731.02 and 1,870.12 is: 2,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.17 : 8,731.02 = 1,870.12 : x
  2. Step 2: Convert to fraction form
    5,820.17/8,731.02 = 1,870.12/x
  3. Step 3: Cross multiply
    5,820.17x = 8,731.02 × 1,870.12
  4. Step 4: Simplify right side
    5,820.17x = 16,328,011.47
  5. Step 5: Solve for x
    x = 16,328,011.47/5,820.17
  6. Step 6: Final answer
    x = 2,805.42

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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.