Home / 8,465.91-11,680.77-5,274.24

Finding the Fourth Proportional to 8,465.91, 11,680.77 and 5,274.24

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Solution

The fourth proportional to 8,465.91, 11,680.77 and 5,274.24 is: 7,277.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.91 : 11,680.77 = 5,274.24 : x
  2. Step 2: Convert to fraction form
    8,465.91/11,680.77 = 5,274.24/x
  3. Step 3: Cross multiply
    8,465.91x = 11,680.77 × 5,274.24
  4. Step 4: Simplify right side
    8,465.91x = 61,607,184.36
  5. Step 5: Solve for x
    x = 61,607,184.36/8,465.91
  6. Step 6: Final answer
    x = 7,277.09

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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.