Home / 5,748.30-7,928.28-4,332.42

Finding the Fourth Proportional to 5,748.30, 7,928.28 and 4,332.42

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Solution

The fourth proportional to 5,748.30, 7,928.28 and 4,332.42 is: 5,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.30 : 7,928.28 = 4,332.42 : x
  2. Step 2: Convert to fraction form
    5,748.30/7,928.28 = 4,332.42/x
  3. Step 3: Cross multiply
    5,748.30x = 7,928.28 × 4,332.42
  4. Step 4: Simplify right side
    5,748.30x = 34,348,638.84
  5. Step 5: Solve for x
    x = 34,348,638.84/5,748.30
  6. Step 6: Final answer
    x = 5,975.44

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Double scale
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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.