Home / 8,312.16-11,470.26-4,772.88

Finding the Fourth Proportional to 8,312.16, 11,470.26 and 4,772.88

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Solution

The fourth proportional to 8,312.16, 11,470.26 and 4,772.88 is: 6,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.16 : 11,470.26 = 4,772.88 : x
  2. Step 2: Convert to fraction form
    8,312.16/11,470.26 = 4,772.88/x
  3. Step 3: Cross multiply
    8,312.16x = 11,470.26 × 4,772.88
  4. Step 4: Simplify right side
    8,312.16x = 54,746,174.55
  5. Step 5: Solve for x
    x = 54,746,174.55/8,312.16
  6. Step 6: Final answer
    x = 6,586.28

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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.