Home / 5,003.85-7,490.05-3,434.68

Finding the Fourth Proportional to 5,003.85, 7,490.05 and 3,434.68

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Solution

The fourth proportional to 5,003.85, 7,490.05 and 3,434.68 is: 5,141.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.85 : 7,490.05 = 3,434.68 : x
  2. Step 2: Convert to fraction form
    5,003.85/7,490.05 = 3,434.68/x
  3. Step 3: Cross multiply
    5,003.85x = 7,490.05 × 3,434.68
  4. Step 4: Simplify right side
    5,003.85x = 25,725,925.71
  5. Step 5: Solve for x
    x = 25,725,925.71/5,003.85
  6. Step 6: Final answer
    x = 5,141.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.