Home / 4,877.13-7,316.61-2,405.82

Finding the Fourth Proportional to 4,877.13, 7,316.61 and 2,405.82

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Solution

The fourth proportional to 4,877.13, 7,316.61 and 2,405.82 is: 3,609.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.13 : 7,316.61 = 2,405.82 : x
  2. Step 2: Convert to fraction form
    4,877.13/7,316.61 = 2,405.82/x
  3. Step 3: Cross multiply
    4,877.13x = 7,316.61 × 2,405.82
  4. Step 4: Simplify right side
    4,877.13x = 17,602,446.67
  5. Step 5: Solve for x
    x = 17,602,446.67/4,877.13
  6. Step 6: Final answer
    x = 3,609.18

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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.