Home / 7,564.81-10,439.26-4,207.62

Finding the Fourth Proportional to 7,564.81, 10,439.26 and 4,207.62

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Solution

The fourth proportional to 7,564.81, 10,439.26 and 4,207.62 is: 5,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.81 : 10,439.26 = 4,207.62 : x
  2. Step 2: Convert to fraction form
    7,564.81/10,439.26 = 4,207.62/x
  3. Step 3: Cross multiply
    7,564.81x = 10,439.26 × 4,207.62
  4. Step 4: Simplify right side
    7,564.81x = 43,924,439.16
  5. Step 5: Solve for x
    x = 43,924,439.16/7,564.81
  6. Step 6: Final answer
    x = 5,806.42

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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.