Home / 4,341.12-6,510.97-1,221.34

Finding the Fourth Proportional to 4,341.12, 6,510.97 and 1,221.34

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Solution

The fourth proportional to 4,341.12, 6,510.97 and 1,221.34 is: 1,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,341.12 : 6,510.97 = 1,221.34 : x
  2. Step 2: Convert to fraction form
    4,341.12/6,510.97 = 1,221.34/x
  3. Step 3: Cross multiply
    4,341.12x = 6,510.97 × 1,221.34
  4. Step 4: Simplify right side
    4,341.12x = 7,952,108.10
  5. Step 5: Solve for x
    x = 7,952,108.10/4,341.12
  6. Step 6: Final answer
    x = 1,831.81

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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.