Home / 6,459.84-8,912.36-4,103.35

Finding the Fourth Proportional to 6,459.84, 8,912.36 and 4,103.35

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Solution

The fourth proportional to 6,459.84, 8,912.36 and 4,103.35 is: 5,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.84 : 8,912.36 = 4,103.35 : x
  2. Step 2: Convert to fraction form
    6,459.84/8,912.36 = 4,103.35/x
  3. Step 3: Cross multiply
    6,459.84x = 8,912.36 × 4,103.35
  4. Step 4: Simplify right side
    6,459.84x = 36,570,532.41
  5. Step 5: Solve for x
    x = 36,570,532.41/6,459.84
  6. Step 6: Final answer
    x = 5,661.21

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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.