Home / 6,389.01-9,580.47-2,228.51

Finding the Fourth Proportional to 6,389.01, 9,580.47 and 2,228.51

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Solution

The fourth proportional to 6,389.01, 9,580.47 and 2,228.51 is: 3,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.01 : 9,580.47 = 2,228.51 : x
  2. Step 2: Convert to fraction form
    6,389.01/9,580.47 = 2,228.51/x
  3. Step 3: Cross multiply
    6,389.01x = 9,580.47 × 2,228.51
  4. Step 4: Simplify right side
    6,389.01x = 21,350,154.82
  5. Step 5: Solve for x
    x = 21,350,154.82/6,389.01
  6. Step 6: Final answer
    x = 3,341.70

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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.