Home / 7,807.06-10,770.48-5,118.92

Finding the Fourth Proportional to 7,807.06, 10,770.48 and 5,118.92

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Solution

The fourth proportional to 7,807.06, 10,770.48 and 5,118.92 is: 7,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,807.06 : 10,770.48 = 5,118.92 : x
  2. Step 2: Convert to fraction form
    7,807.06/10,770.48 = 5,118.92/x
  3. Step 3: Cross multiply
    7,807.06x = 10,770.48 × 5,118.92
  4. Step 4: Simplify right side
    7,807.06x = 55,133,225.48
  5. Step 5: Solve for x
    x = 55,133,225.48/7,807.06
  6. Step 6: Final answer
    x = 7,061.97

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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.