Home / 4,749.16-7,117.08-1,972.84

Finding the Fourth Proportional to 4,749.16, 7,117.08 and 1,972.84

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Solution

The fourth proportional to 4,749.16, 7,117.08 and 1,972.84 is: 2,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.16 : 7,117.08 = 1,972.84 : x
  2. Step 2: Convert to fraction form
    4,749.16/7,117.08 = 1,972.84/x
  3. Step 3: Cross multiply
    4,749.16x = 7,117.08 × 1,972.84
  4. Step 4: Simplify right side
    4,749.16x = 14,040,860.11
  5. Step 5: Solve for x
    x = 14,040,860.11/4,749.16
  6. Step 6: Final answer
    x = 2,956.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.