Home / 8,315.84-11,475.54-4,958.57

Finding the Fourth Proportional to 8,315.84, 11,475.54 and 4,958.57

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Solution

The fourth proportional to 8,315.84, 11,475.54 and 4,958.57 is: 6,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.84 : 11,475.54 = 4,958.57 : x
  2. Step 2: Convert to fraction form
    8,315.84/11,475.54 = 4,958.57/x
  3. Step 3: Cross multiply
    8,315.84x = 11,475.54 × 4,958.57
  4. Step 4: Simplify right side
    8,315.84x = 56,902,268.38
  5. Step 5: Solve for x
    x = 56,902,268.38/8,315.84
  6. Step 6: Final answer
    x = 6,842.64

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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.