Home / 4,020.39-6,030.89-1,247.36

Finding the Fourth Proportional to 4,020.39, 6,030.89 and 1,247.36

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Solution

The fourth proportional to 4,020.39, 6,030.89 and 1,247.36 is: 1,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.39 : 6,030.89 = 1,247.36 : x
  2. Step 2: Convert to fraction form
    4,020.39/6,030.89 = 1,247.36/x
  3. Step 3: Cross multiply
    4,020.39x = 6,030.89 × 1,247.36
  4. Step 4: Simplify right side
    4,020.39x = 7,522,663.91
  5. Step 5: Solve for x
    x = 7,522,663.91/4,020.39
  6. Step 6: Final answer
    x = 1,871.13

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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.