Home / 4,256.13-6,378.79-1,913.63

Finding the Fourth Proportional to 4,256.13, 6,378.79 and 1,913.63

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Solution

The fourth proportional to 4,256.13, 6,378.79 and 1,913.63 is: 2,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.13 : 6,378.79 = 1,913.63 : x
  2. Step 2: Convert to fraction form
    4,256.13/6,378.79 = 1,913.63/x
  3. Step 3: Cross multiply
    4,256.13x = 6,378.79 × 1,913.63
  4. Step 4: Simplify right side
    4,256.13x = 12,206,643.91
  5. Step 5: Solve for x
    x = 12,206,643.91/4,256.13
  6. Step 6: Final answer
    x = 2,868.01

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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.