Home / 4,127.50-6,189.63-1,528.66

Finding the Fourth Proportional to 4,127.50, 6,189.63 and 1,528.66

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Solution

The fourth proportional to 4,127.50, 6,189.63 and 1,528.66 is: 2,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.50 : 6,189.63 = 1,528.66 : x
  2. Step 2: Convert to fraction form
    4,127.50/6,189.63 = 1,528.66/x
  3. Step 3: Cross multiply
    4,127.50x = 6,189.63 × 1,528.66
  4. Step 4: Simplify right side
    4,127.50x = 9,461,839.80
  5. Step 5: Solve for x
    x = 9,461,839.80/4,127.50
  6. Step 6: Final answer
    x = 2,292.39

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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.