Home / 9,264.28-12,784.70-5,072.54

Finding the Fourth Proportional to 9,264.28, 12,784.70 and 5,072.54

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Solution

The fourth proportional to 9,264.28, 12,784.70 and 5,072.54 is: 7,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,264.28 : 12,784.70 = 5,072.54 : x
  2. Step 2: Convert to fraction form
    9,264.28/12,784.70 = 5,072.54/x
  3. Step 3: Cross multiply
    9,264.28x = 12,784.70 × 5,072.54
  4. Step 4: Simplify right side
    9,264.28x = 64,850,902.14
  5. Step 5: Solve for x
    x = 64,850,902.14/9,264.28
  6. Step 6: Final answer
    x = 7,000.10

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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.