Home / 7,664.04-10,581.27-5,115.44

Finding the Fourth Proportional to 7,664.04, 10,581.27 and 5,115.44

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Solution

The fourth proportional to 7,664.04, 10,581.27 and 5,115.44 is: 7,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.04 : 10,581.27 = 5,115.44 : x
  2. Step 2: Convert to fraction form
    7,664.04/10,581.27 = 5,115.44/x
  3. Step 3: Cross multiply
    7,664.04x = 10,581.27 × 5,115.44
  4. Step 4: Simplify right side
    7,664.04x = 54,127,798.90
  5. Step 5: Solve for x
    x = 54,127,798.90/7,664.04
  6. Step 6: Final answer
    x = 7,062.57

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1.5x scale

Why These Related Problems?

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