Home / 4,752.78-7,130.01-1,631.98

Finding the Fourth Proportional to 4,752.78, 7,130.01 and 1,631.98

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Solution

The fourth proportional to 4,752.78, 7,130.01 and 1,631.98 is: 2,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.78 : 7,130.01 = 1,631.98 : x
  2. Step 2: Convert to fraction form
    4,752.78/7,130.01 = 1,631.98/x
  3. Step 3: Cross multiply
    4,752.78x = 7,130.01 × 1,631.98
  4. Step 4: Simplify right side
    4,752.78x = 11,635,998.07
  5. Step 5: Solve for x
    x = 11,635,998.07/4,752.78
  6. Step 6: Final answer
    x = 2,448.25

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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.