Home / 8,256.42-11,393.88-4,721.70

Finding the Fourth Proportional to 8,256.42, 11,393.88 and 4,721.70

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Solution

The fourth proportional to 8,256.42, 11,393.88 and 4,721.70 is: 6,515.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.42 : 11,393.88 = 4,721.70 : x
  2. Step 2: Convert to fraction form
    8,256.42/11,393.88 = 4,721.70/x
  3. Step 3: Cross multiply
    8,256.42x = 11,393.88 × 4,721.70
  4. Step 4: Simplify right side
    8,256.42x = 53,798,483.20
  5. Step 5: Solve for x
    x = 53,798,483.20/8,256.42
  6. Step 6: Final answer
    x = 6,515.96

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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.