Home / 9,004.08-12,421.80-5,644.60

Finding the Fourth Proportional to 9,004.08, 12,421.80 and 5,644.60

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Solution

The fourth proportional to 9,004.08, 12,421.80 and 5,644.60 is: 7,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,004.08 : 12,421.80 = 5,644.60 : x
  2. Step 2: Convert to fraction form
    9,004.08/12,421.80 = 5,644.60/x
  3. Step 3: Cross multiply
    9,004.08x = 12,421.80 × 5,644.60
  4. Step 4: Simplify right side
    9,004.08x = 70,116,092.28
  5. Step 5: Solve for x
    x = 70,116,092.28/9,004.08
  6. Step 6: Final answer
    x = 7,787.15

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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.