Home / 5,715.93-8,575.52-1,820.64

Finding the Fourth Proportional to 5,715.93, 8,575.52 and 1,820.64

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Solution

The fourth proportional to 5,715.93, 8,575.52 and 1,820.64 is: 2,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.93 : 8,575.52 = 1,820.64 : x
  2. Step 2: Convert to fraction form
    5,715.93/8,575.52 = 1,820.64/x
  3. Step 3: Cross multiply
    5,715.93x = 8,575.52 × 1,820.64
  4. Step 4: Simplify right side
    5,715.93x = 15,612,925.63
  5. Step 5: Solve for x
    x = 15,612,925.63/5,715.93
  6. Step 6: Final answer
    x = 2,731.48

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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.