Home / 4,758.95-7,130.56-1,637.28

Finding the Fourth Proportional to 4,758.95, 7,130.56 and 1,637.28

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Solution

The fourth proportional to 4,758.95, 7,130.56 and 1,637.28 is: 2,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.95 : 7,130.56 = 1,637.28 : x
  2. Step 2: Convert to fraction form
    4,758.95/7,130.56 = 1,637.28/x
  3. Step 3: Cross multiply
    4,758.95x = 7,130.56 × 1,637.28
  4. Step 4: Simplify right side
    4,758.95x = 11,674,723.28
  5. Step 5: Solve for x
    x = 11,674,723.28/4,758.95
  6. Step 6: Final answer
    x = 2,453.21

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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.