Home / 7,645.19-10,550.18-4,288.28

Finding the Fourth Proportional to 7,645.19, 10,550.18 and 4,288.28

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Solution

The fourth proportional to 7,645.19, 10,550.18 and 4,288.28 is: 5,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.19 : 10,550.18 = 4,288.28 : x
  2. Step 2: Convert to fraction form
    7,645.19/10,550.18 = 4,288.28/x
  3. Step 3: Cross multiply
    7,645.19x = 10,550.18 × 4,288.28
  4. Step 4: Simplify right side
    7,645.19x = 45,242,083.86
  5. Step 5: Solve for x
    x = 45,242,083.86/7,645.19
  6. Step 6: Final answer
    x = 5,917.72

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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.