Home / 9,040.20-12,476.79-5,211.10

Finding the Fourth Proportional to 9,040.20, 12,476.79 and 5,211.10

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Solution

The fourth proportional to 9,040.20, 12,476.79 and 5,211.10 is: 7,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.20 : 12,476.79 = 5,211.10 : x
  2. Step 2: Convert to fraction form
    9,040.20/12,476.79 = 5,211.10/x
  3. Step 3: Cross multiply
    9,040.20x = 12,476.79 × 5,211.10
  4. Step 4: Simplify right side
    9,040.20x = 65,017,800.37
  5. Step 5: Solve for x
    x = 65,017,800.37/9,040.20
  6. Step 6: Final answer
    x = 7,192.08

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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.