Home / 5,307.87-7,322.72-3,208.35

Finding the Fourth Proportional to 5,307.87, 7,322.72 and 3,208.35

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Solution

The fourth proportional to 5,307.87, 7,322.72 and 3,208.35 is: 4,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.87 : 7,322.72 = 3,208.35 : x
  2. Step 2: Convert to fraction form
    5,307.87/7,322.72 = 3,208.35/x
  3. Step 3: Cross multiply
    5,307.87x = 7,322.72 × 3,208.35
  4. Step 4: Simplify right side
    5,307.87x = 23,493,848.71
  5. Step 5: Solve for x
    x = 23,493,848.71/5,307.87
  6. Step 6: Final answer
    x = 4,426.23

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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.