Home / 5,075.16-7,610.78-2,999.40

Finding the Fourth Proportional to 5,075.16, 7,610.78 and 2,999.40

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Solution

The fourth proportional to 5,075.16, 7,610.78 and 2,999.40 is: 4,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.16 : 7,610.78 = 2,999.40 : x
  2. Step 2: Convert to fraction form
    5,075.16/7,610.78 = 2,999.40/x
  3. Step 3: Cross multiply
    5,075.16x = 7,610.78 × 2,999.40
  4. Step 4: Simplify right side
    5,075.16x = 22,827,773.53
  5. Step 5: Solve for x
    x = 22,827,773.53/5,075.16
  6. Step 6: Final answer
    x = 4,497.94

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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.