Home / 5,911.47-8,867.76-1,528.95

Finding the Fourth Proportional to 5,911.47, 8,867.76 and 1,528.95

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Solution

The fourth proportional to 5,911.47, 8,867.76 and 1,528.95 is: 2,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.47 : 8,867.76 = 1,528.95 : x
  2. Step 2: Convert to fraction form
    5,911.47/8,867.76 = 1,528.95/x
  3. Step 3: Cross multiply
    5,911.47x = 8,867.76 × 1,528.95
  4. Step 4: Simplify right side
    5,911.47x = 13,558,361.65
  5. Step 5: Solve for x
    x = 13,558,361.65/5,911.47
  6. Step 6: Final answer
    x = 2,293.57

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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.