Home / 7,724.84-10,656.33-4,887.42

Finding the Fourth Proportional to 7,724.84, 10,656.33 and 4,887.42

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Solution

The fourth proportional to 7,724.84, 10,656.33 and 4,887.42 is: 6,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.84 : 10,656.33 = 4,887.42 : x
  2. Step 2: Convert to fraction form
    7,724.84/10,656.33 = 4,887.42/x
  3. Step 3: Cross multiply
    7,724.84x = 10,656.33 × 4,887.42
  4. Step 4: Simplify right side
    7,724.84x = 52,081,960.37
  5. Step 5: Solve for x
    x = 52,081,960.37/7,724.84
  6. Step 6: Final answer
    x = 6,742.15

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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.