Home / 5,557.68-7,665.98-3,565.08

Finding the Fourth Proportional to 5,557.68, 7,665.98 and 3,565.08

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Solution

The fourth proportional to 5,557.68, 7,665.98 and 3,565.08 is: 4,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.68 : 7,665.98 = 3,565.08 : x
  2. Step 2: Convert to fraction form
    5,557.68/7,665.98 = 3,565.08/x
  3. Step 3: Cross multiply
    5,557.68x = 7,665.98 × 3,565.08
  4. Step 4: Simplify right side
    5,557.68x = 27,329,840.89
  5. Step 5: Solve for x
    x = 27,329,840.89/5,557.68
  6. Step 6: Final answer
    x = 4,917.49

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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.