Home / 5,820.13-8,731.01-1,870.06

Finding the Fourth Proportional to 5,820.13, 8,731.01 and 1,870.06

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Solution

The fourth proportional to 5,820.13, 8,731.01 and 1,870.06 is: 2,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.13 : 8,731.01 = 1,870.06 : x
  2. Step 2: Convert to fraction form
    5,820.13/8,731.01 = 1,870.06/x
  3. Step 3: Cross multiply
    5,820.13x = 8,731.01 × 1,870.06
  4. Step 4: Simplify right side
    5,820.13x = 16,327,512.56
  5. Step 5: Solve for x
    x = 16,327,512.56/5,820.13
  6. Step 6: Final answer
    x = 2,805.35

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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.