Home / 7,645.86-10,550.49-4,458.31

Finding the Fourth Proportional to 7,645.86, 10,550.49 and 4,458.31

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Solution

The fourth proportional to 7,645.86, 10,550.49 and 4,458.31 is: 6,152.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.86 : 10,550.49 = 4,458.31 : x
  2. Step 2: Convert to fraction form
    7,645.86/10,550.49 = 4,458.31/x
  3. Step 3: Cross multiply
    7,645.86x = 10,550.49 × 4,458.31
  4. Step 4: Simplify right side
    7,645.86x = 47,037,311.98
  5. Step 5: Solve for x
    x = 47,037,311.98/7,645.86
  6. Step 6: Final answer
    x = 6,152.00

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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.