Home / 7,828.01-10,802.75-4,471.27

Finding the Fourth Proportional to 7,828.01, 10,802.75 and 4,471.27

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Solution

The fourth proportional to 7,828.01, 10,802.75 and 4,471.27 is: 6,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.01 : 10,802.75 = 4,471.27 : x
  2. Step 2: Convert to fraction form
    7,828.01/10,802.75 = 4,471.27/x
  3. Step 3: Cross multiply
    7,828.01x = 10,802.75 × 4,471.27
  4. Step 4: Simplify right side
    7,828.01x = 48,302,003.14
  5. Step 5: Solve for x
    x = 48,302,003.14/7,828.01
  6. Step 6: Final answer
    x = 6,170.40

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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.