Home / 7,718.53-11,580.56-3,035.95

Finding the Fourth Proportional to 7,718.53, 11,580.56 and 3,035.95

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Solution

The fourth proportional to 7,718.53, 11,580.56 and 3,035.95 is: 4,555.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.53 : 11,580.56 = 3,035.95 : x
  2. Step 2: Convert to fraction form
    7,718.53/11,580.56 = 3,035.95/x
  3. Step 3: Cross multiply
    7,718.53x = 11,580.56 × 3,035.95
  4. Step 4: Simplify right side
    7,718.53x = 35,157,979.77
  5. Step 5: Solve for x
    x = 35,157,979.77/7,718.53
  6. Step 6: Final answer
    x = 4,555.01

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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.