Home / 7,616.66-10,510.31-4,429.99

Finding the Fourth Proportional to 7,616.66, 10,510.31 and 4,429.99

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Solution

The fourth proportional to 7,616.66, 10,510.31 and 4,429.99 is: 6,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.66 : 10,510.31 = 4,429.99 : x
  2. Step 2: Convert to fraction form
    7,616.66/10,510.31 = 4,429.99/x
  3. Step 3: Cross multiply
    7,616.66x = 10,510.31 × 4,429.99
  4. Step 4: Simplify right side
    7,616.66x = 46,560,493.50
  5. Step 5: Solve for x
    x = 46,560,493.50/7,616.66
  6. Step 6: Final answer
    x = 6,112.98

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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.