Home / 8,127.34-11,211.05-4,894.91

Finding the Fourth Proportional to 8,127.34, 11,211.05 and 4,894.91

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Solution

The fourth proportional to 8,127.34, 11,211.05 and 4,894.91 is: 6,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.34 : 11,211.05 = 4,894.91 : x
  2. Step 2: Convert to fraction form
    8,127.34/11,211.05 = 4,894.91/x
  3. Step 3: Cross multiply
    8,127.34x = 11,211.05 × 4,894.91
  4. Step 4: Simplify right side
    8,127.34x = 54,877,080.76
  5. Step 5: Solve for x
    x = 54,877,080.76/8,127.34
  6. Step 6: Final answer
    x = 6,752.16

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Half scale
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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.