Home / 4,312.90-6,467.31-1,539.53

Finding the Fourth Proportional to 4,312.90, 6,467.31 and 1,539.53

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Solution

The fourth proportional to 4,312.90, 6,467.31 and 1,539.53 is: 2,308.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.90 : 6,467.31 = 1,539.53 : x
  2. Step 2: Convert to fraction form
    4,312.90/6,467.31 = 1,539.53/x
  3. Step 3: Cross multiply
    4,312.90x = 6,467.31 × 1,539.53
  4. Step 4: Simplify right side
    4,312.90x = 9,956,617.76
  5. Step 5: Solve for x
    x = 9,956,617.76/4,312.90
  6. Step 6: Final answer
    x = 2,308.57

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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.