Home / 4,127.20-6,191.16-1,530.16

Finding the Fourth Proportional to 4,127.20, 6,191.16 and 1,530.16

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Solution

The fourth proportional to 4,127.20, 6,191.16 and 1,530.16 is: 2,295.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.20 : 6,191.16 = 1,530.16 : x
  2. Step 2: Convert to fraction form
    4,127.20/6,191.16 = 1,530.16/x
  3. Step 3: Cross multiply
    4,127.20x = 6,191.16 × 1,530.16
  4. Step 4: Simplify right side
    4,127.20x = 9,473,465.39
  5. Step 5: Solve for x
    x = 9,473,465.39/4,127.20
  6. Step 6: Final answer
    x = 2,295.37

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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.