Home / 7,164.24-10,762.80-5,089.28

Finding the Fourth Proportional to 7,164.24, 10,762.80 and 5,089.28

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Solution

The fourth proportional to 7,164.24, 10,762.80 and 5,089.28 is: 7,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164.24 : 10,762.80 = 5,089.28 : x
  2. Step 2: Convert to fraction form
    7,164.24/10,762.80 = 5,089.28/x
  3. Step 3: Cross multiply
    7,164.24x = 10,762.80 × 5,089.28
  4. Step 4: Simplify right side
    7,164.24x = 54,774,902.78
  5. Step 5: Solve for x
    x = 54,774,902.78/7,164.24
  6. Step 6: Final answer
    x = 7,645.60

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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.