Home / 5,565.08-7,638.89-4,921.51

Finding the Fourth Proportional to 5,565.08, 7,638.89 and 4,921.51

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Solution

The fourth proportional to 5,565.08, 7,638.89 and 4,921.51 is: 6,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.08 : 7,638.89 = 4,921.51 : x
  2. Step 2: Convert to fraction form
    5,565.08/7,638.89 = 4,921.51/x
  3. Step 3: Cross multiply
    5,565.08x = 7,638.89 × 4,921.51
  4. Step 4: Simplify right side
    5,565.08x = 37,594,861.22
  5. Step 5: Solve for x
    x = 37,594,861.22/5,565.08
  6. Step 6: Final answer
    x = 6,755.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.