Home / 10,210.22-15,316.02-2,813.90

Finding the Fourth Proportional to 10,210.22, 15,316.02 and 2,813.90

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Solution

The fourth proportional to 10,210.22, 15,316.02 and 2,813.90 is: 4,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.22 : 15,316.02 = 2,813.90 : x
  2. Step 2: Convert to fraction form
    10,210.22/15,316.02 = 2,813.90/x
  3. Step 3: Cross multiply
    10,210.22x = 15,316.02 × 2,813.90
  4. Step 4: Simplify right side
    10,210.22x = 43,097,672.10
  5. Step 5: Solve for x
    x = 43,097,672.10/10,210.22
  6. Step 6: Final answer
    x = 4,221.03

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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.