Home / 4,753.14-7,130.93-1,978.89

Finding the Fourth Proportional to 4,753.14, 7,130.93 and 1,978.89

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Solution

The fourth proportional to 4,753.14, 7,130.93 and 1,978.89 is: 2,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.14 : 7,130.93 = 1,978.89 : x
  2. Step 2: Convert to fraction form
    4,753.14/7,130.93 = 1,978.89/x
  3. Step 3: Cross multiply
    4,753.14x = 7,130.93 × 1,978.89
  4. Step 4: Simplify right side
    4,753.14x = 14,111,326.07
  5. Step 5: Solve for x
    x = 14,111,326.07/4,753.14
  6. Step 6: Final answer
    x = 2,968.84

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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.