Home / 7,814.51-10,785.41-4,412.55

Finding the Fourth Proportional to 7,814.51, 10,785.41 and 4,412.55

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Solution

The fourth proportional to 7,814.51, 10,785.41 and 4,412.55 is: 6,090.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.51 : 10,785.41 = 4,412.55 : x
  2. Step 2: Convert to fraction form
    7,814.51/10,785.41 = 4,412.55/x
  3. Step 3: Cross multiply
    7,814.51x = 10,785.41 × 4,412.55
  4. Step 4: Simplify right side
    7,814.51x = 47,591,171.93
  5. Step 5: Solve for x
    x = 47,591,171.93/7,814.51
  6. Step 6: Final answer
    x = 6,090.11

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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.