Home / 4,205.16-6,307.80-1,432.47

Finding the Fourth Proportional to 4,205.16, 6,307.80 and 1,432.47

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Solution

The fourth proportional to 4,205.16, 6,307.80 and 1,432.47 is: 2,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.16 : 6,307.80 = 1,432.47 : x
  2. Step 2: Convert to fraction form
    4,205.16/6,307.80 = 1,432.47/x
  3. Step 3: Cross multiply
    4,205.16x = 6,307.80 × 1,432.47
  4. Step 4: Simplify right side
    4,205.16x = 9,035,734.27
  5. Step 5: Solve for x
    x = 9,035,734.27/4,205.16
  6. Step 6: Final answer
    x = 2,148.73

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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.