Home / 4,478.63-6,718.08-1,517.03

Finding the Fourth Proportional to 4,478.63, 6,718.08 and 1,517.03

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Solution

The fourth proportional to 4,478.63, 6,718.08 and 1,517.03 is: 2,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.63 : 6,718.08 = 1,517.03 : x
  2. Step 2: Convert to fraction form
    4,478.63/6,718.08 = 1,517.03/x
  3. Step 3: Cross multiply
    4,478.63x = 6,718.08 × 1,517.03
  4. Step 4: Simplify right side
    4,478.63x = 10,191,528.90
  5. Step 5: Solve for x
    x = 10,191,528.90/4,478.63
  6. Step 6: Final answer
    x = 2,275.59

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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.