Home / 5,776.24-7,969.36-3,417.92

Finding the Fourth Proportional to 5,776.24, 7,969.36 and 3,417.92

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Solution

The fourth proportional to 5,776.24, 7,969.36 and 3,417.92 is: 4,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.24 : 7,969.36 = 3,417.92 : x
  2. Step 2: Convert to fraction form
    5,776.24/7,969.36 = 3,417.92/x
  3. Step 3: Cross multiply
    5,776.24x = 7,969.36 × 3,417.92
  4. Step 4: Simplify right side
    5,776.24x = 27,238,626.39
  5. Step 5: Solve for x
    x = 27,238,626.39/5,776.24
  6. Step 6: Final answer
    x = 4,715.64

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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.