Home / 5,117.04-7,665.84-2,648.16

Finding the Fourth Proportional to 5,117.04, 7,665.84 and 2,648.16

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Solution

The fourth proportional to 5,117.04, 7,665.84 and 2,648.16 is: 3,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.04 : 7,665.84 = 2,648.16 : x
  2. Step 2: Convert to fraction form
    5,117.04/7,665.84 = 2,648.16/x
  3. Step 3: Cross multiply
    5,117.04x = 7,665.84 × 2,648.16
  4. Step 4: Simplify right side
    5,117.04x = 20,300,370.85
  5. Step 5: Solve for x
    x = 20,300,370.85/5,117.04
  6. Step 6: Final answer
    x = 3,967.21

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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.