Home / 4,717.45-6,509.79-2,621.57

Finding the Fourth Proportional to 4,717.45, 6,509.79 and 2,621.57

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Solution

The fourth proportional to 4,717.45, 6,509.79 and 2,621.57 is: 3,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.45 : 6,509.79 = 2,621.57 : x
  2. Step 2: Convert to fraction form
    4,717.45/6,509.79 = 2,621.57/x
  3. Step 3: Cross multiply
    4,717.45x = 6,509.79 × 2,621.57
  4. Step 4: Simplify right side
    4,717.45x = 17,065,870.17
  5. Step 5: Solve for x
    x = 17,065,870.17/4,717.45
  6. Step 6: Final answer
    x = 3,617.60

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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.