Home / 9,107.08-13,663.90-4,727.40

Finding the Fourth Proportional to 9,107.08, 13,663.90 and 4,727.40

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Solution

The fourth proportional to 9,107.08, 13,663.90 and 4,727.40 is: 7,092.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.08 : 13,663.90 = 4,727.40 : x
  2. Step 2: Convert to fraction form
    9,107.08/13,663.90 = 4,727.40/x
  3. Step 3: Cross multiply
    9,107.08x = 13,663.90 × 4,727.40
  4. Step 4: Simplify right side
    9,107.08x = 64,594,720.86
  5. Step 5: Solve for x
    x = 64,594,720.86/9,107.08
  6. Step 6: Final answer
    x = 7,092.80

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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.