Home / 7,021.16-9,688.10-4,036.44

Finding the Fourth Proportional to 7,021.16, 9,688.10 and 4,036.44

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Solution

The fourth proportional to 7,021.16, 9,688.10 and 4,036.44 is: 5,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.16 : 9,688.10 = 4,036.44 : x
  2. Step 2: Convert to fraction form
    7,021.16/9,688.10 = 4,036.44/x
  3. Step 3: Cross multiply
    7,021.16x = 9,688.10 × 4,036.44
  4. Step 4: Simplify right side
    7,021.16x = 39,105,434.36
  5. Step 5: Solve for x
    x = 39,105,434.36/7,021.16
  6. Step 6: Final answer
    x = 5,569.65

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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.