Home / 7,712.96-10,643.89-4,176.18

Finding the Fourth Proportional to 7,712.96, 10,643.89 and 4,176.18

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Solution

The fourth proportional to 7,712.96, 10,643.89 and 4,176.18 is: 5,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.96 : 10,643.89 = 4,176.18 : x
  2. Step 2: Convert to fraction form
    7,712.96/10,643.89 = 4,176.18/x
  3. Step 3: Cross multiply
    7,712.96x = 10,643.89 × 4,176.18
  4. Step 4: Simplify right side
    7,712.96x = 44,450,784.37
  5. Step 5: Solve for x
    x = 44,450,784.37/7,712.96
  6. Step 6: Final answer
    x = 5,763.13

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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.