Home / 7,665.19-10,576.05-4,679.92

Finding the Fourth Proportional to 7,665.19, 10,576.05 and 4,679.92

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Solution

The fourth proportional to 7,665.19, 10,576.05 and 4,679.92 is: 6,457.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.19 : 10,576.05 = 4,679.92 : x
  2. Step 2: Convert to fraction form
    7,665.19/10,576.05 = 4,679.92/x
  3. Step 3: Cross multiply
    7,665.19x = 10,576.05 × 4,679.92
  4. Step 4: Simplify right side
    7,665.19x = 49,495,067.92
  5. Step 5: Solve for x
    x = 49,495,067.92/7,665.19
  6. Step 6: Final answer
    x = 6,457.12

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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.