Home / 4,378.15-6,043.89-2,807.14

Finding the Fourth Proportional to 4,378.15, 6,043.89 and 2,807.14

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Solution

The fourth proportional to 4,378.15, 6,043.89 and 2,807.14 is: 3,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.15 : 6,043.89 = 2,807.14 : x
  2. Step 2: Convert to fraction form
    4,378.15/6,043.89 = 2,807.14/x
  3. Step 3: Cross multiply
    4,378.15x = 6,043.89 × 2,807.14
  4. Step 4: Simplify right side
    4,378.15x = 16,966,045.37
  5. Step 5: Solve for x
    x = 16,966,045.37/4,378.15
  6. Step 6: Final answer
    x = 3,875.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.