Home / 9,359.78-12,916.53-5,110.88

Finding the Fourth Proportional to 9,359.78, 12,916.53 and 5,110.88

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Solution

The fourth proportional to 9,359.78, 12,916.53 and 5,110.88 is: 7,053.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.78 : 12,916.53 = 5,110.88 : x
  2. Step 2: Convert to fraction form
    9,359.78/12,916.53 = 5,110.88/x
  3. Step 3: Cross multiply
    9,359.78x = 12,916.53 × 5,110.88
  4. Step 4: Simplify right side
    9,359.78x = 66,014,867.14
  5. Step 5: Solve for x
    x = 66,014,867.14/9,359.78
  6. Step 6: Final answer
    x = 7,053.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.