Home / 5,497.65-7,587.23-3,139.79

Finding the Fourth Proportional to 5,497.65, 7,587.23 and 3,139.79

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Solution

The fourth proportional to 5,497.65, 7,587.23 and 3,139.79 is: 4,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.65 : 7,587.23 = 3,139.79 : x
  2. Step 2: Convert to fraction form
    5,497.65/7,587.23 = 3,139.79/x
  3. Step 3: Cross multiply
    5,497.65x = 7,587.23 × 3,139.79
  4. Step 4: Simplify right side
    5,497.65x = 23,822,255.25
  5. Step 5: Solve for x
    x = 23,822,255.25/5,497.65
  6. Step 6: Final answer
    x = 4,333.17

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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.