Home / 4,330.16-6,490.38-1,866.14

Finding the Fourth Proportional to 4,330.16, 6,490.38 and 1,866.14

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Solution

The fourth proportional to 4,330.16, 6,490.38 and 1,866.14 is: 2,797.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,330.16 : 6,490.38 = 1,866.14 : x
  2. Step 2: Convert to fraction form
    4,330.16/6,490.38 = 1,866.14/x
  3. Step 3: Cross multiply
    4,330.16x = 6,490.38 × 1,866.14
  4. Step 4: Simplify right side
    4,330.16x = 12,111,957.73
  5. Step 5: Solve for x
    x = 12,111,957.73/4,330.16
  6. Step 6: Final answer
    x = 2,797.12

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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.