Home / 4,020.45-6,031.28-1,423.18

Finding the Fourth Proportional to 4,020.45, 6,031.28 and 1,423.18

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Solution

The fourth proportional to 4,020.45, 6,031.28 and 1,423.18 is: 2,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.45 : 6,031.28 = 1,423.18 : x
  2. Step 2: Convert to fraction form
    4,020.45/6,031.28 = 1,423.18/x
  3. Step 3: Cross multiply
    4,020.45x = 6,031.28 × 1,423.18
  4. Step 4: Simplify right side
    4,020.45x = 8,583,597.07
  5. Step 5: Solve for x
    x = 8,583,597.07/4,020.45
  6. Step 6: Final answer
    x = 2,134.98

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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.