Home / 10,210.02-15,308.48-4,290.75

Finding the Fourth Proportional to 10,210.02, 15,308.48 and 4,290.75

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Solution

The fourth proportional to 10,210.02, 15,308.48 and 4,290.75 is: 6,433.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.02 : 15,308.48 = 4,290.75 : x
  2. Step 2: Convert to fraction form
    10,210.02/15,308.48 = 4,290.75/x
  3. Step 3: Cross multiply
    10,210.02x = 15,308.48 × 4,290.75
  4. Step 4: Simplify right side
    10,210.02x = 65,684,839.11
  5. Step 5: Solve for x
    x = 65,684,839.11/10,210.02
  6. Step 6: Final answer
    x = 6,433.37

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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.