Home / 4,717.40-6,509.82-2,621.66

Finding the Fourth Proportional to 4,717.40, 6,509.82 and 2,621.66

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Solution

The fourth proportional to 4,717.40, 6,509.82 and 2,621.66 is: 3,617.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.40 : 6,509.82 = 2,621.66 : x
  2. Step 2: Convert to fraction form
    4,717.40/6,509.82 = 2,621.66/x
  3. Step 3: Cross multiply
    4,717.40x = 6,509.82 × 2,621.66
  4. Step 4: Simplify right side
    4,717.40x = 17,066,534.70
  5. Step 5: Solve for x
    x = 17,066,534.70/4,717.40
  6. Step 6: Final answer
    x = 3,617.78

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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.