Home / 6,667.29-9,979.23-4,911.60

Finding the Fourth Proportional to 6,667.29, 9,979.23 and 4,911.60

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Solution

The fourth proportional to 6,667.29, 9,979.23 and 4,911.60 is: 7,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667.29 : 9,979.23 = 4,911.60 : x
  2. Step 2: Convert to fraction form
    6,667.29/9,979.23 = 4,911.60/x
  3. Step 3: Cross multiply
    6,667.29x = 9,979.23 × 4,911.60
  4. Step 4: Simplify right side
    6,667.29x = 49,013,916.27
  5. Step 5: Solve for x
    x = 49,013,916.27/6,667.29
  6. Step 6: Final answer
    x = 7,351.40

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1.5x scale

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.