Home / 4,386.15-6,580.76-2,740.77

Finding the Fourth Proportional to 4,386.15, 6,580.76 and 2,740.77

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Solution

The fourth proportional to 4,386.15, 6,580.76 and 2,740.77 is: 4,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.15 : 6,580.76 = 2,740.77 : x
  2. Step 2: Convert to fraction form
    4,386.15/6,580.76 = 2,740.77/x
  3. Step 3: Cross multiply
    4,386.15x = 6,580.76 × 2,740.77
  4. Step 4: Simplify right side
    4,386.15x = 18,036,335.88
  5. Step 5: Solve for x
    x = 18,036,335.88/4,386.15
  6. Step 6: Final answer
    x = 4,112.11

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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.