Home / 8,957.60-13,428.04-3,110.08

Finding the Fourth Proportional to 8,957.60, 13,428.04 and 3,110.08

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Solution

The fourth proportional to 8,957.60, 13,428.04 and 3,110.08 is: 4,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.60 : 13,428.04 = 3,110.08 : x
  2. Step 2: Convert to fraction form
    8,957.60/13,428.04 = 3,110.08/x
  3. Step 3: Cross multiply
    8,957.60x = 13,428.04 × 3,110.08
  4. Step 4: Simplify right side
    8,957.60x = 41,762,278.64
  5. Step 5: Solve for x
    x = 41,762,278.64/8,957.60
  6. Step 6: Final answer
    x = 4,662.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.