Home / 9,741.78-14,615.10-2,816.28

Finding the Fourth Proportional to 9,741.78, 14,615.10 and 2,816.28

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Solution

The fourth proportional to 9,741.78, 14,615.10 and 2,816.28 is: 4,225.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,741.78 : 14,615.10 = 2,816.28 : x
  2. Step 2: Convert to fraction form
    9,741.78/14,615.10 = 2,816.28/x
  3. Step 3: Cross multiply
    9,741.78x = 14,615.10 × 2,816.28
  4. Step 4: Simplify right side
    9,741.78x = 41,160,213.83
  5. Step 5: Solve for x
    x = 41,160,213.83/9,741.78
  6. Step 6: Final answer
    x = 4,225.12

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1.5x scale

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.