Home / 6,387.90-9,570.81-4,529.94

Finding the Fourth Proportional to 6,387.90, 9,570.81 and 4,529.94

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Solution

The fourth proportional to 6,387.90, 9,570.81 and 4,529.94 is: 6,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.90 : 9,570.81 = 4,529.94 : x
  2. Step 2: Convert to fraction form
    6,387.90/9,570.81 = 4,529.94/x
  3. Step 3: Cross multiply
    6,387.90x = 9,570.81 × 4,529.94
  4. Step 4: Simplify right side
    6,387.90x = 43,355,195.05
  5. Step 5: Solve for x
    x = 43,355,195.05/6,387.90
  6. Step 6: Final answer
    x = 6,787.08

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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.