Home / 10,790.28-16,172.34-4,547.88

Finding the Fourth Proportional to 10,790.28, 16,172.34 and 4,547.88

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Solution

The fourth proportional to 10,790.28, 16,172.34 and 4,547.88 is: 6,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.28 : 16,172.34 = 4,547.88 : x
  2. Step 2: Convert to fraction form
    10,790.28/16,172.34 = 4,547.88/x
  3. Step 3: Cross multiply
    10,790.28x = 16,172.34 × 4,547.88
  4. Step 4: Simplify right side
    10,790.28x = 73,549,861.64
  5. Step 5: Solve for x
    x = 73,549,861.64/10,790.28
  6. Step 6: Final answer
    x = 6,816.31

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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.