Home / 7,397.81-11,099.31-4,621.23

Finding the Fourth Proportional to 7,397.81, 11,099.31 and 4,621.23

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Solution

The fourth proportional to 7,397.81, 11,099.31 and 4,621.23 is: 6,933.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.81 : 11,099.31 = 4,621.23 : x
  2. Step 2: Convert to fraction form
    7,397.81/11,099.31 = 4,621.23/x
  3. Step 3: Cross multiply
    7,397.81x = 11,099.31 × 4,621.23
  4. Step 4: Simplify right side
    7,397.81x = 51,292,441.25
  5. Step 5: Solve for x
    x = 51,292,441.25/7,397.81
  6. Step 6: Final answer
    x = 6,933.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.