Home / 8,937.36-12,335.04-5,211.36

Finding the Fourth Proportional to 8,937.36, 12,335.04 and 5,211.36

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Solution

The fourth proportional to 8,937.36, 12,335.04 and 5,211.36 is: 7,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.36 : 12,335.04 = 5,211.36 : x
  2. Step 2: Convert to fraction form
    8,937.36/12,335.04 = 5,211.36/x
  3. Step 3: Cross multiply
    8,937.36x = 12,335.04 × 5,211.36
  4. Step 4: Simplify right side
    8,937.36x = 64,282,334.05
  5. Step 5: Solve for x
    x = 64,282,334.05/8,937.36
  6. Step 6: Final answer
    x = 7,192.54

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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.