Home / 7,289.45-10,057.65-4,102.13

Finding the Fourth Proportional to 7,289.45, 10,057.65 and 4,102.13

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Solution

The fourth proportional to 7,289.45, 10,057.65 and 4,102.13 is: 5,659.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.45 : 10,057.65 = 4,102.13 : x
  2. Step 2: Convert to fraction form
    7,289.45/10,057.65 = 4,102.13/x
  3. Step 3: Cross multiply
    7,289.45x = 10,057.65 × 4,102.13
  4. Step 4: Simplify right side
    7,289.45x = 41,257,737.51
  5. Step 5: Solve for x
    x = 41,257,737.51/7,289.45
  6. Step 6: Final answer
    x = 5,659.93

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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.