Home / 4,278.57-5,902.77-2,509.53

Finding the Fourth Proportional to 4,278.57, 5,902.77 and 2,509.53

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Solution

The fourth proportional to 4,278.57, 5,902.77 and 2,509.53 is: 3,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.57 : 5,902.77 = 2,509.53 : x
  2. Step 2: Convert to fraction form
    4,278.57/5,902.77 = 2,509.53/x
  3. Step 3: Cross multiply
    4,278.57x = 5,902.77 × 2,509.53
  4. Step 4: Simplify right side
    4,278.57x = 14,813,178.40
  5. Step 5: Solve for x
    x = 14,813,178.40/4,278.57
  6. Step 6: Final answer
    x = 3,462.18

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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.