Home / 5,114.08-7,661.55-2,916.16

Finding the Fourth Proportional to 5,114.08, 7,661.55 and 2,916.16

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Solution

The fourth proportional to 5,114.08, 7,661.55 and 2,916.16 is: 4,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.08 : 7,661.55 = 2,916.16 : x
  2. Step 2: Convert to fraction form
    5,114.08/7,661.55 = 2,916.16/x
  3. Step 3: Cross multiply
    5,114.08x = 7,661.55 × 2,916.16
  4. Step 4: Simplify right side
    5,114.08x = 22,342,305.65
  5. Step 5: Solve for x
    x = 22,342,305.65/5,114.08
  6. Step 6: Final answer
    x = 4,368.78

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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.