Home / 9,220.64-13,833.28-2,647.40

Finding the Fourth Proportional to 9,220.64, 13,833.28 and 2,647.40

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Solution

The fourth proportional to 9,220.64, 13,833.28 and 2,647.40 is: 3,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.64 : 13,833.28 = 2,647.40 : x
  2. Step 2: Convert to fraction form
    9,220.64/13,833.28 = 2,647.40/x
  3. Step 3: Cross multiply
    9,220.64x = 13,833.28 × 2,647.40
  4. Step 4: Simplify right side
    9,220.64x = 36,622,225.47
  5. Step 5: Solve for x
    x = 36,622,225.47/9,220.64
  6. Step 6: Final answer
    x = 3,971.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.