Home / 4,717.20-6,509.88-2,621.64

Finding the Fourth Proportional to 4,717.20, 6,509.88 and 2,621.64

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Solution

The fourth proportional to 4,717.20, 6,509.88 and 2,621.64 is: 3,617.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.20 : 6,509.88 = 2,621.64 : x
  2. Step 2: Convert to fraction form
    4,717.20/6,509.88 = 2,621.64/x
  3. Step 3: Cross multiply
    4,717.20x = 6,509.88 × 2,621.64
  4. Step 4: Simplify right side
    4,717.20x = 17,066,561.80
  5. Step 5: Solve for x
    x = 17,066,561.80/4,717.20
  6. Step 6: Final answer
    x = 3,617.94

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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.