Home / 8,746.76-13,111.02-3,815.07

Finding the Fourth Proportional to 8,746.76, 13,111.02 and 3,815.07

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Solution

The fourth proportional to 8,746.76, 13,111.02 and 3,815.07 is: 5,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.76 : 13,111.02 = 3,815.07 : x
  2. Step 2: Convert to fraction form
    8,746.76/13,111.02 = 3,815.07/x
  3. Step 3: Cross multiply
    8,746.76x = 13,111.02 × 3,815.07
  4. Step 4: Simplify right side
    8,746.76x = 50,019,459.07
  5. Step 5: Solve for x
    x = 50,019,459.07/8,746.76
  6. Step 6: Final answer
    x = 5,718.63

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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.