Home / 7,724.81-10,659.44-4,740.77

Finding the Fourth Proportional to 7,724.81, 10,659.44 and 4,740.77

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Solution

The fourth proportional to 7,724.81, 10,659.44 and 4,740.77 is: 6,541.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.81 : 10,659.44 = 4,740.77 : x
  2. Step 2: Convert to fraction form
    7,724.81/10,659.44 = 4,740.77/x
  3. Step 3: Cross multiply
    7,724.81x = 10,659.44 × 4,740.77
  4. Step 4: Simplify right side
    7,724.81x = 50,533,876.37
  5. Step 5: Solve for x
    x = 50,533,876.37/7,724.81
  6. Step 6: Final answer
    x = 6,541.77

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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.