Home / 4,278.04-5,903.86-2,415

Finding the Fourth Proportional to 4,278.04, 5,903.86 and 2,415

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Solution

The fourth proportional to 4,278.04, 5,903.86 and 2,415 is: 3,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.04 : 5,903.86 = 2,415 : x
  2. Step 2: Convert to fraction form
    4,278.04/5,903.86 = 2,415/x
  3. Step 3: Cross multiply
    4,278.04x = 5,903.86 × 2,415
  4. Step 4: Simplify right side
    4,278.04x = 14,257,821.90
  5. Step 5: Solve for x
    x = 14,257,821.90/4,278.04
  6. Step 6: Final answer
    x = 3,332.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.