Home / 4,127.80-6,189.98-1,529.32

Finding the Fourth Proportional to 4,127.80, 6,189.98 and 1,529.32

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Solution

The fourth proportional to 4,127.80, 6,189.98 and 1,529.32 is: 2,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.80 : 6,189.98 = 1,529.32 : x
  2. Step 2: Convert to fraction form
    4,127.80/6,189.98 = 1,529.32/x
  3. Step 3: Cross multiply
    4,127.80x = 6,189.98 × 1,529.32
  4. Step 4: Simplify right side
    4,127.80x = 9,466,460.21
  5. Step 5: Solve for x
    x = 9,466,460.21/4,127.80
  6. Step 6: Final answer
    x = 2,293.34

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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.