Home / 7,790.41-10,750.83-4,253.72

Finding the Fourth Proportional to 7,790.41, 10,750.83 and 4,253.72

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Solution

The fourth proportional to 7,790.41, 10,750.83 and 4,253.72 is: 5,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.41 : 10,750.83 = 4,253.72 : x
  2. Step 2: Convert to fraction form
    7,790.41/10,750.83 = 4,253.72/x
  3. Step 3: Cross multiply
    7,790.41x = 10,750.83 × 4,253.72
  4. Step 4: Simplify right side
    7,790.41x = 45,730,950.88
  5. Step 5: Solve for x
    x = 45,730,950.88/7,790.41
  6. Step 6: Final answer
    x = 5,870.16

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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.