Home / 9,359.40-12,915.78-5,110.59

Finding the Fourth Proportional to 9,359.40, 12,915.78 and 5,110.59

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Solution

The fourth proportional to 9,359.40, 12,915.78 and 5,110.59 is: 7,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.40 : 12,915.78 = 5,110.59 : x
  2. Step 2: Convert to fraction form
    9,359.40/12,915.78 = 5,110.59/x
  3. Step 3: Cross multiply
    9,359.40x = 12,915.78 × 5,110.59
  4. Step 4: Simplify right side
    9,359.40x = 66,007,256.11
  5. Step 5: Solve for x
    x = 66,007,256.11/9,359.40
  6. Step 6: Final answer
    x = 7,052.51

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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.