Home / 7,716.85-10,647.89-4,530.51

Finding the Fourth Proportional to 7,716.85, 10,647.89 and 4,530.51

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Solution

The fourth proportional to 7,716.85, 10,647.89 and 4,530.51 is: 6,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.85 : 10,647.89 = 4,530.51 : x
  2. Step 2: Convert to fraction form
    7,716.85/10,647.89 = 4,530.51/x
  3. Step 3: Cross multiply
    7,716.85x = 10,647.89 × 4,530.51
  4. Step 4: Simplify right side
    7,716.85x = 48,240,366.46
  5. Step 5: Solve for x
    x = 48,240,366.46/7,716.85
  6. Step 6: Final answer
    x = 6,251.30

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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.