Home / 4,607.79-6,905.88-1,972.18

Finding the Fourth Proportional to 4,607.79, 6,905.88 and 1,972.18

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Solution

The fourth proportional to 4,607.79, 6,905.88 and 1,972.18 is: 2,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.79 : 6,905.88 = 1,972.18 : x
  2. Step 2: Convert to fraction form
    4,607.79/6,905.88 = 1,972.18/x
  3. Step 3: Cross multiply
    4,607.79x = 6,905.88 × 1,972.18
  4. Step 4: Simplify right side
    4,607.79x = 13,619,638.42
  5. Step 5: Solve for x
    x = 13,619,638.42/4,607.79
  6. Step 6: Final answer
    x = 2,955.79

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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.