Home / 4,266.40-6,401.19-1,925.71

Finding the Fourth Proportional to 4,266.40, 6,401.19 and 1,925.71

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Solution

The fourth proportional to 4,266.40, 6,401.19 and 1,925.71 is: 2,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.40 : 6,401.19 = 1,925.71 : x
  2. Step 2: Convert to fraction form
    4,266.40/6,401.19 = 1,925.71/x
  3. Step 3: Cross multiply
    4,266.40x = 6,401.19 × 1,925.71
  4. Step 4: Simplify right side
    4,266.40x = 12,326,835.59
  5. Step 5: Solve for x
    x = 12,326,835.59/4,266.40
  6. Step 6: Final answer
    x = 2,889.28

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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.