Home / 4,554.40-6,831.60-1,962.40

Finding the Fourth Proportional to 4,554.40, 6,831.60 and 1,962.40

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Solution

The fourth proportional to 4,554.40, 6,831.60 and 1,962.40 is: 2,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,554.40 : 6,831.60 = 1,962.40 : x
  2. Step 2: Convert to fraction form
    4,554.40/6,831.60 = 1,962.40/x
  3. Step 3: Cross multiply
    4,554.40x = 6,831.60 × 1,962.40
  4. Step 4: Simplify right side
    4,554.40x = 13,406,331.84
  5. Step 5: Solve for x
    x = 13,406,331.84/4,554.40
  6. Step 6: Final answer
    x = 2,943.60

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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.