Home / 5,780.03-8,670.02-1,397.48

Finding the Fourth Proportional to 5,780.03, 8,670.02 and 1,397.48

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Solution

The fourth proportional to 5,780.03, 8,670.02 and 1,397.48 is: 2,096.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.03 : 8,670.02 = 1,397.48 : x
  2. Step 2: Convert to fraction form
    5,780.03/8,670.02 = 1,397.48/x
  3. Step 3: Cross multiply
    5,780.03x = 8,670.02 × 1,397.48
  4. Step 4: Simplify right side
    5,780.03x = 12,116,129.21
  5. Step 5: Solve for x
    x = 12,116,129.21/5,780.03
  6. Step 6: Final answer
    x = 2,096.21

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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.