Home / 4,386.60-6,577.53-1,918.54

Finding the Fourth Proportional to 4,386.60, 6,577.53 and 1,918.54

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Solution

The fourth proportional to 4,386.60, 6,577.53 and 1,918.54 is: 2,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.60 : 6,577.53 = 1,918.54 : x
  2. Step 2: Convert to fraction form
    4,386.60/6,577.53 = 1,918.54/x
  3. Step 3: Cross multiply
    4,386.60x = 6,577.53 × 1,918.54
  4. Step 4: Simplify right side
    4,386.60x = 12,619,223.83
  5. Step 5: Solve for x
    x = 12,619,223.83/4,386.60
  6. Step 6: Final answer
    x = 2,876.77

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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.