Home / 8,703.28-13,056.54-2,860.30

Finding the Fourth Proportional to 8,703.28, 13,056.54 and 2,860.30

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Solution

The fourth proportional to 8,703.28, 13,056.54 and 2,860.30 is: 4,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.28 : 13,056.54 = 2,860.30 : x
  2. Step 2: Convert to fraction form
    8,703.28/13,056.54 = 2,860.30/x
  3. Step 3: Cross multiply
    8,703.28x = 13,056.54 × 2,860.30
  4. Step 4: Simplify right side
    8,703.28x = 37,345,621.36
  5. Step 5: Solve for x
    x = 37,345,621.36/8,703.28
  6. Step 6: Final answer
    x = 4,290.98

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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.