Home / 8,117.28-11,199.84-4,580.64

Finding the Fourth Proportional to 8,117.28, 11,199.84 and 4,580.64

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Solution

The fourth proportional to 8,117.28, 11,199.84 and 4,580.64 is: 6,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.28 : 11,199.84 = 4,580.64 : x
  2. Step 2: Convert to fraction form
    8,117.28/11,199.84 = 4,580.64/x
  3. Step 3: Cross multiply
    8,117.28x = 11,199.84 × 4,580.64
  4. Step 4: Simplify right side
    8,117.28x = 51,302,435.10
  5. Step 5: Solve for x
    x = 51,302,435.10/8,117.28
  6. Step 6: Final answer
    x = 6,320.15

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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.