Home / 5,565.85-7,681.25-3,208.15

Finding the Fourth Proportional to 5,565.85, 7,681.25 and 3,208.15

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Solution

The fourth proportional to 5,565.85, 7,681.25 and 3,208.15 is: 4,427.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.85 : 7,681.25 = 3,208.15 : x
  2. Step 2: Convert to fraction form
    5,565.85/7,681.25 = 3,208.15/x
  3. Step 3: Cross multiply
    5,565.85x = 7,681.25 × 3,208.15
  4. Step 4: Simplify right side
    5,565.85x = 24,642,602.19
  5. Step 5: Solve for x
    x = 24,642,602.19/5,565.85
  6. Step 6: Final answer
    x = 4,427.46

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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.