Home / 8,320.43-11,482.05-4,735.76

Finding the Fourth Proportional to 8,320.43, 11,482.05 and 4,735.76

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Solution

The fourth proportional to 8,320.43, 11,482.05 and 4,735.76 is: 6,535.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.43 : 11,482.05 = 4,735.76 : x
  2. Step 2: Convert to fraction form
    8,320.43/11,482.05 = 4,735.76/x
  3. Step 3: Cross multiply
    8,320.43x = 11,482.05 × 4,735.76
  4. Step 4: Simplify right side
    8,320.43x = 54,376,233.11
  5. Step 5: Solve for x
    x = 54,376,233.11/8,320.43
  6. Step 6: Final answer
    x = 6,535.27

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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.