Home / 8,501.12-12,748.64-2,953.12

Finding the Fourth Proportional to 8,501.12, 12,748.64 and 2,953.12

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Solution

The fourth proportional to 8,501.12, 12,748.64 and 2,953.12 is: 4,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.12 : 12,748.64 = 2,953.12 : x
  2. Step 2: Convert to fraction form
    8,501.12/12,748.64 = 2,953.12/x
  3. Step 3: Cross multiply
    8,501.12x = 12,748.64 × 2,953.12
  4. Step 4: Simplify right side
    8,501.12x = 37,648,263.76
  5. Step 5: Solve for x
    x = 37,648,263.76/8,501.12
  6. Step 6: Final answer
    x = 4,428.62

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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.