Home / 7,325.46-10,983.74-2,877.80

Finding the Fourth Proportional to 7,325.46, 10,983.74 and 2,877.80

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Solution

The fourth proportional to 7,325.46, 10,983.74 and 2,877.80 is: 4,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.46 : 10,983.74 = 2,877.80 : x
  2. Step 2: Convert to fraction form
    7,325.46/10,983.74 = 2,877.80/x
  3. Step 3: Cross multiply
    7,325.46x = 10,983.74 × 2,877.80
  4. Step 4: Simplify right side
    7,325.46x = 31,608,937.66
  5. Step 5: Solve for x
    x = 31,608,937.66/7,325.46
  6. Step 6: Final answer
    x = 4,314.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.