Home / 5,079.36-7,617.03-1,957.65

Finding the Fourth Proportional to 5,079.36, 7,617.03 and 1,957.65

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Solution

The fourth proportional to 5,079.36, 7,617.03 and 1,957.65 is: 2,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.36 : 7,617.03 = 1,957.65 : x
  2. Step 2: Convert to fraction form
    5,079.36/7,617.03 = 1,957.65/x
  3. Step 3: Cross multiply
    5,079.36x = 7,617.03 × 1,957.65
  4. Step 4: Simplify right side
    5,079.36x = 14,911,478.78
  5. Step 5: Solve for x
    x = 14,911,478.78/5,079.36
  6. Step 6: Final answer
    x = 2,935.70

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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.