Home / 9,340.28-12,889.59-5,148.53

Finding the Fourth Proportional to 9,340.28, 12,889.59 and 5,148.53

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Solution

The fourth proportional to 9,340.28, 12,889.59 and 5,148.53 is: 7,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340.28 : 12,889.59 = 5,148.53 : x
  2. Step 2: Convert to fraction form
    9,340.28/12,889.59 = 5,148.53/x
  3. Step 3: Cross multiply
    9,340.28x = 12,889.59 × 5,148.53
  4. Step 4: Simplify right side
    9,340.28x = 66,362,440.80
  5. Step 5: Solve for x
    x = 66,362,440.80/9,340.28
  6. Step 6: Final answer
    x = 7,104.97

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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.