Home / 8,501.78-12,752.32-2,956.38

Finding the Fourth Proportional to 8,501.78, 12,752.32 and 2,956.38

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Solution

The fourth proportional to 8,501.78, 12,752.32 and 2,956.38 is: 4,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.78 : 12,752.32 = 2,956.38 : x
  2. Step 2: Convert to fraction form
    8,501.78/12,752.32 = 2,956.38/x
  3. Step 3: Cross multiply
    8,501.78x = 12,752.32 × 2,956.38
  4. Step 4: Simplify right side
    8,501.78x = 37,700,703.80
  5. Step 5: Solve for x
    x = 37,700,703.80/8,501.78
  6. Step 6: Final answer
    x = 4,434.45

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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.