Home / 8,284.28-11,432.16-4,507.35

Finding the Fourth Proportional to 8,284.28, 11,432.16 and 4,507.35

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Solution

The fourth proportional to 8,284.28, 11,432.16 and 4,507.35 is: 6,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.28 : 11,432.16 = 4,507.35 : x
  2. Step 2: Convert to fraction form
    8,284.28/11,432.16 = 4,507.35/x
  3. Step 3: Cross multiply
    8,284.28x = 11,432.16 × 4,507.35
  4. Step 4: Simplify right side
    8,284.28x = 51,528,720.41
  5. Step 5: Solve for x
    x = 51,528,720.41/8,284.28
  6. Step 6: Final answer
    x = 6,220.06

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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.