Home / 5,276.63-7,281.75-2,918.93

Finding the Fourth Proportional to 5,276.63, 7,281.75 and 2,918.93

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Solution

The fourth proportional to 5,276.63, 7,281.75 and 2,918.93 is: 4,028.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.63 : 7,281.75 = 2,918.93 : x
  2. Step 2: Convert to fraction form
    5,276.63/7,281.75 = 2,918.93/x
  3. Step 3: Cross multiply
    5,276.63x = 7,281.75 × 2,918.93
  4. Step 4: Simplify right side
    5,276.63x = 21,254,882.12
  5. Step 5: Solve for x
    x = 21,254,882.12/5,276.63
  6. Step 6: Final answer
    x = 4,028.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.