Home / 7,919.48-10,927.68-4,731.80

Finding the Fourth Proportional to 7,919.48, 10,927.68 and 4,731.80

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Solution

The fourth proportional to 7,919.48, 10,927.68 and 4,731.80 is: 6,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.48 : 10,927.68 = 4,731.80 : x
  2. Step 2: Convert to fraction form
    7,919.48/10,927.68 = 4,731.80/x
  3. Step 3: Cross multiply
    7,919.48x = 10,927.68 × 4,731.80
  4. Step 4: Simplify right side
    7,919.48x = 51,707,596.22
  5. Step 5: Solve for x
    x = 51,707,596.22/7,919.48
  6. Step 6: Final answer
    x = 6,529.17

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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.