Home / 4,836.79-7,256.91-2,985.76

Finding the Fourth Proportional to 4,836.79, 7,256.91 and 2,985.76

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Solution

The fourth proportional to 4,836.79, 7,256.91 and 2,985.76 is: 4,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,836.79 : 7,256.91 = 2,985.76 : x
  2. Step 2: Convert to fraction form
    4,836.79/7,256.91 = 2,985.76/x
  3. Step 3: Cross multiply
    4,836.79x = 7,256.91 × 2,985.76
  4. Step 4: Simplify right side
    4,836.79x = 21,667,391.60
  5. Step 5: Solve for x
    x = 21,667,391.60/4,836.79
  6. Step 6: Final answer
    x = 4,479.70

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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.