Home / 7,814.94-10,785.60-4,458.30

Finding the Fourth Proportional to 7,814.94, 10,785.60 and 4,458.30

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Solution

The fourth proportional to 7,814.94, 10,785.60 and 4,458.30 is: 6,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.94 : 10,785.60 = 4,458.30 : x
  2. Step 2: Convert to fraction form
    7,814.94/10,785.60 = 4,458.30/x
  3. Step 3: Cross multiply
    7,814.94x = 10,785.60 × 4,458.30
  4. Step 4: Simplify right side
    7,814.94x = 48,085,440.48
  5. Step 5: Solve for x
    x = 48,085,440.48/7,814.94
  6. Step 6: Final answer
    x = 6,153.01

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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.