Home / 4,878.02-7,310.65-1,958.37

Finding the Fourth Proportional to 4,878.02, 7,310.65 and 1,958.37

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Solution

The fourth proportional to 4,878.02, 7,310.65 and 1,958.37 is: 2,935.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.02 : 7,310.65 = 1,958.37 : x
  2. Step 2: Convert to fraction form
    4,878.02/7,310.65 = 1,958.37/x
  3. Step 3: Cross multiply
    4,878.02x = 7,310.65 × 1,958.37
  4. Step 4: Simplify right side
    4,878.02x = 14,316,966.13
  5. Step 5: Solve for x
    x = 14,316,966.13/4,878.02
  6. Step 6: Final answer
    x = 2,935.00

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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.