Home / 7,287.86-10,057.79-4,455.77

Finding the Fourth Proportional to 7,287.86, 10,057.79 and 4,455.77

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Solution

The fourth proportional to 7,287.86, 10,057.79 and 4,455.77 is: 6,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.86 : 10,057.79 = 4,455.77 : x
  2. Step 2: Convert to fraction form
    7,287.86/10,057.79 = 4,455.77/x
  3. Step 3: Cross multiply
    7,287.86x = 10,057.79 × 4,455.77
  4. Step 4: Simplify right side
    7,287.86x = 44,815,148.66
  5. Step 5: Solve for x
    x = 44,815,148.66/7,287.86
  6. Step 6: Final answer
    x = 6,149.29

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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.