Home / 8,368.12-11,548.59-4,783.61

Finding the Fourth Proportional to 8,368.12, 11,548.59 and 4,783.61

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Solution

The fourth proportional to 8,368.12, 11,548.59 and 4,783.61 is: 6,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.12 : 11,548.59 = 4,783.61 : x
  2. Step 2: Convert to fraction form
    8,368.12/11,548.59 = 4,783.61/x
  3. Step 3: Cross multiply
    8,368.12x = 11,548.59 × 4,783.61
  4. Step 4: Simplify right side
    8,368.12x = 55,243,950.61
  5. Step 5: Solve for x
    x = 55,243,950.61/8,368.12
  6. Step 6: Final answer
    x = 6,601.72

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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.