Home / 4,221.32-6,332.18-1,300.05

Finding the Fourth Proportional to 4,221.32, 6,332.18 and 1,300.05

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Solution

The fourth proportional to 4,221.32, 6,332.18 and 1,300.05 is: 1,950.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.32 : 6,332.18 = 1,300.05 : x
  2. Step 2: Convert to fraction form
    4,221.32/6,332.18 = 1,300.05/x
  3. Step 3: Cross multiply
    4,221.32x = 6,332.18 × 1,300.05
  4. Step 4: Simplify right side
    4,221.32x = 8,232,144.11
  5. Step 5: Solve for x
    x = 8,232,144.11/4,221.32
  6. Step 6: Final answer
    x = 1,950.14

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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.