Home / 4,312.25-6,466.32-1,971.56

Finding the Fourth Proportional to 4,312.25, 6,466.32 and 1,971.56

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Solution

The fourth proportional to 4,312.25, 6,466.32 and 1,971.56 is: 2,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.25 : 6,466.32 = 1,971.56 : x
  2. Step 2: Convert to fraction form
    4,312.25/6,466.32 = 1,971.56/x
  3. Step 3: Cross multiply
    4,312.25x = 6,466.32 × 1,971.56
  4. Step 4: Simplify right side
    4,312.25x = 12,748,705.53
  5. Step 5: Solve for x
    x = 12,748,705.53/4,312.25
  6. Step 6: Final answer
    x = 2,956.40

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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.