Home / 9,147.28-12,623.26-4,955.52

Finding the Fourth Proportional to 9,147.28, 12,623.26 and 4,955.52

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Solution

The fourth proportional to 9,147.28, 12,623.26 and 4,955.52 is: 6,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.28 : 12,623.26 = 4,955.52 : x
  2. Step 2: Convert to fraction form
    9,147.28/12,623.26 = 4,955.52/x
  3. Step 3: Cross multiply
    9,147.28x = 12,623.26 × 4,955.52
  4. Step 4: Simplify right side
    9,147.28x = 62,554,817.40
  5. Step 5: Solve for x
    x = 62,554,817.40/9,147.28
  6. Step 6: Final answer
    x = 6,838.62

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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.