Home / 8,320.30-11,483.94-4,785.55

Finding the Fourth Proportional to 8,320.30, 11,483.94 and 4,785.55

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Solution

The fourth proportional to 8,320.30, 11,483.94 and 4,785.55 is: 6,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.30 : 11,483.94 = 4,785.55 : x
  2. Step 2: Convert to fraction form
    8,320.30/11,483.94 = 4,785.55/x
  3. Step 3: Cross multiply
    8,320.30x = 11,483.94 × 4,785.55
  4. Step 4: Simplify right side
    8,320.30x = 54,956,969.07
  5. Step 5: Solve for x
    x = 54,956,969.07/8,320.30
  6. Step 6: Final answer
    x = 6,605.17

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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.