Home / 7,009.02-10,513.55-2,623.40

Finding the Fourth Proportional to 7,009.02, 10,513.55 and 2,623.40

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Solution

The fourth proportional to 7,009.02, 10,513.55 and 2,623.40 is: 3,935.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.02 : 10,513.55 = 2,623.40 : x
  2. Step 2: Convert to fraction form
    7,009.02/10,513.55 = 2,623.40/x
  3. Step 3: Cross multiply
    7,009.02x = 10,513.55 × 2,623.40
  4. Step 4: Simplify right side
    7,009.02x = 27,581,273.78
  5. Step 5: Solve for x
    x = 27,581,273.78/7,009.02
  6. Step 6: Final answer
    x = 3,935.11

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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.