Home / 4,020.49-6,031.67-1,247.02

Finding the Fourth Proportional to 4,020.49, 6,031.67 and 1,247.02

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Solution

The fourth proportional to 4,020.49, 6,031.67 and 1,247.02 is: 1,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.49 : 6,031.67 = 1,247.02 : x
  2. Step 2: Convert to fraction form
    4,020.49/6,031.67 = 1,247.02/x
  3. Step 3: Cross multiply
    4,020.49x = 6,031.67 × 1,247.02
  4. Step 4: Simplify right side
    4,020.49x = 7,521,613.12
  5. Step 5: Solve for x
    x = 7,521,613.12/4,020.49
  6. Step 6: Final answer
    x = 1,870.82

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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.