Home / 7,724.15-10,657.54-5,210.92

Finding the Fourth Proportional to 7,724.15, 10,657.54 and 5,210.92

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Solution

The fourth proportional to 7,724.15, 10,657.54 and 5,210.92 is: 7,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.15 : 10,657.54 = 5,210.92 : x
  2. Step 2: Convert to fraction form
    7,724.15/10,657.54 = 5,210.92/x
  3. Step 3: Cross multiply
    7,724.15x = 10,657.54 × 5,210.92
  4. Step 4: Simplify right side
    7,724.15x = 55,535,588.34
  5. Step 5: Solve for x
    x = 55,535,588.34/7,724.15
  6. Step 6: Final answer
    x = 7,189.86

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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.