Home / 8,622.92-11,899.28-5,271.35

Finding the Fourth Proportional to 8,622.92, 11,899.28 and 5,271.35

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Solution

The fourth proportional to 8,622.92, 11,899.28 and 5,271.35 is: 7,274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.92 : 11,899.28 = 5,271.35 : x
  2. Step 2: Convert to fraction form
    8,622.92/11,899.28 = 5,271.35/x
  3. Step 3: Cross multiply
    8,622.92x = 11,899.28 × 5,271.35
  4. Step 4: Simplify right side
    8,622.92x = 62,725,223.31
  5. Step 5: Solve for x
    x = 62,725,223.31/8,622.92
  6. Step 6: Final answer
    x = 7,274.24

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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.