Home / 7,341.20-10,130.62-3,983.84

Finding the Fourth Proportional to 7,341.20, 10,130.62 and 3,983.84

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Solution

The fourth proportional to 7,341.20, 10,130.62 and 3,983.84 is: 5,497.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.20 : 10,130.62 = 3,983.84 : x
  2. Step 2: Convert to fraction form
    7,341.20/10,130.62 = 3,983.84/x
  3. Step 3: Cross multiply
    7,341.20x = 10,130.62 × 3,983.84
  4. Step 4: Simplify right side
    7,341.20x = 40,358,769.18
  5. Step 5: Solve for x
    x = 40,358,769.18/7,341.20
  6. Step 6: Final answer
    x = 5,497.57

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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.