Home / 4,528.50-6,248.79-2,640.48

Finding the Fourth Proportional to 4,528.50, 6,248.79 and 2,640.48

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Solution

The fourth proportional to 4,528.50, 6,248.79 and 2,640.48 is: 3,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,528.50 : 6,248.79 = 2,640.48 : x
  2. Step 2: Convert to fraction form
    4,528.50/6,248.79 = 2,640.48/x
  3. Step 3: Cross multiply
    4,528.50x = 6,248.79 × 2,640.48
  4. Step 4: Simplify right side
    4,528.50x = 16,499,805.02
  5. Step 5: Solve for x
    x = 16,499,805.02/4,528.50
  6. Step 6: Final answer
    x = 3,643.55

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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.