Home / 7,683.31-11,528.58-3,983.53

Finding the Fourth Proportional to 7,683.31, 11,528.58 and 3,983.53

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Solution

The fourth proportional to 7,683.31, 11,528.58 and 3,983.53 is: 5,977.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.31 : 11,528.58 = 3,983.53 : x
  2. Step 2: Convert to fraction form
    7,683.31/11,528.58 = 3,983.53/x
  3. Step 3: Cross multiply
    7,683.31x = 11,528.58 × 3,983.53
  4. Step 4: Simplify right side
    7,683.31x = 45,924,444.29
  5. Step 5: Solve for x
    x = 45,924,444.29/7,683.31
  6. Step 6: Final answer
    x = 5,977.17

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1.5x scale

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.