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Finding the Fourth Proportional to 8,957.16, 12,360.26 and 4,924.26

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Solution

The fourth proportional to 8,957.16, 12,360.26 and 4,924.26 is: 6,795.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.16 : 12,360.26 = 4,924.26 : x
  2. Step 2: Convert to fraction form
    8,957.16/12,360.26 = 4,924.26/x
  3. Step 3: Cross multiply
    8,957.16x = 12,360.26 × 4,924.26
  4. Step 4: Simplify right side
    8,957.16x = 60,865,133.91
  5. Step 5: Solve for x
    x = 60,865,133.91/8,957.16
  6. Step 6: Final answer
    x = 6,795.14

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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.