Home / 7,564.56-11,339.04-5,479.32

Finding the Fourth Proportional to 7,564.56, 11,339.04 and 5,479.32

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Solution

The fourth proportional to 7,564.56, 11,339.04 and 5,479.32 is: 8,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.56 : 11,339.04 = 5,479.32 : x
  2. Step 2: Convert to fraction form
    7,564.56/11,339.04 = 5,479.32/x
  3. Step 3: Cross multiply
    7,564.56x = 11,339.04 × 5,479.32
  4. Step 4: Simplify right side
    7,564.56x = 62,130,228.65
  5. Step 5: Solve for x
    x = 62,130,228.65/7,564.56
  6. Step 6: Final answer
    x = 8,213.33

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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.