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Finding the Fourth Proportional to 9,203.45, 12,700.79 and 5,011.70

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Solution

The fourth proportional to 9,203.45, 12,700.79 and 5,011.70 is: 6,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.45 : 12,700.79 = 5,011.70 : x
  2. Step 2: Convert to fraction form
    9,203.45/12,700.79 = 5,011.70/x
  3. Step 3: Cross multiply
    9,203.45x = 12,700.79 × 5,011.70
  4. Step 4: Simplify right side
    9,203.45x = 63,652,460.68
  5. Step 5: Solve for x
    x = 63,652,460.68/9,203.45
  6. Step 6: Final answer
    x = 6,916.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.