Home / 4,311.90-6,465.81-1,538.53

Finding the Fourth Proportional to 4,311.90, 6,465.81 and 1,538.53

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Solution

The fourth proportional to 4,311.90, 6,465.81 and 1,538.53 is: 2,307.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.90 : 6,465.81 = 1,538.53 : x
  2. Step 2: Convert to fraction form
    4,311.90/6,465.81 = 1,538.53/x
  3. Step 3: Cross multiply
    4,311.90x = 6,465.81 × 1,538.53
  4. Step 4: Simplify right side
    4,311.90x = 9,947,842.66
  5. Step 5: Solve for x
    x = 9,947,842.66/4,311.90
  6. Step 6: Final answer
    x = 2,307.07

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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.