Home / 7,617.88-10,517.70-5,858.68

Finding the Fourth Proportional to 7,617.88, 10,517.70 and 5,858.68

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Solution

The fourth proportional to 7,617.88, 10,517.70 and 5,858.68 is: 8,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.88 : 10,517.70 = 5,858.68 : x
  2. Step 2: Convert to fraction form
    7,617.88/10,517.70 = 5,858.68/x
  3. Step 3: Cross multiply
    7,617.88x = 10,517.70 × 5,858.68
  4. Step 4: Simplify right side
    7,617.88x = 61,619,838.64
  5. Step 5: Solve for x
    x = 61,619,838.64/7,617.88
  6. Step 6: Final answer
    x = 8,088.84

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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.