Home / 5,729.84-7,909.08-3,493.16

Finding the Fourth Proportional to 5,729.84, 7,909.08 and 3,493.16

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Solution

The fourth proportional to 5,729.84, 7,909.08 and 3,493.16 is: 4,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.84 : 7,909.08 = 3,493.16 : x
  2. Step 2: Convert to fraction form
    5,729.84/7,909.08 = 3,493.16/x
  3. Step 3: Cross multiply
    5,729.84x = 7,909.08 × 3,493.16
  4. Step 4: Simplify right side
    5,729.84x = 27,627,681.89
  5. Step 5: Solve for x
    x = 27,627,681.89/5,729.84
  6. Step 6: Final answer
    x = 4,821.72

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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.