Home / 7,914.48-10,922.37-4,557.81

Finding the Fourth Proportional to 7,914.48, 10,922.37 and 4,557.81

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Solution

The fourth proportional to 7,914.48, 10,922.37 and 4,557.81 is: 6,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.48 : 10,922.37 = 4,557.81 : x
  2. Step 2: Convert to fraction form
    7,914.48/10,922.37 = 4,557.81/x
  3. Step 3: Cross multiply
    7,914.48x = 10,922.37 × 4,557.81
  4. Step 4: Simplify right side
    7,914.48x = 49,782,111.08
  5. Step 5: Solve for x
    x = 49,782,111.08/7,914.48
  6. Step 6: Final answer
    x = 6,290.01

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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.