Home / 9,345.64-14,021.18-2,772

Finding the Fourth Proportional to 9,345.64, 14,021.18 and 2,772

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Solution

The fourth proportional to 9,345.64, 14,021.18 and 2,772 is: 4,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.64 : 14,021.18 = 2,772 : x
  2. Step 2: Convert to fraction form
    9,345.64/14,021.18 = 2,772/x
  3. Step 3: Cross multiply
    9,345.64x = 14,021.18 × 2,772
  4. Step 4: Simplify right side
    9,345.64x = 38,866,710.96
  5. Step 5: Solve for x
    x = 38,866,710.96/9,345.64
  6. Step 6: Final answer
    x = 4,158.81

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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.