Home / 7,448.90-11,211.16-5,609.30

Finding the Fourth Proportional to 7,448.90, 11,211.16 and 5,609.30

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Solution

The fourth proportional to 7,448.90, 11,211.16 and 5,609.30 is: 8,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.90 : 11,211.16 = 5,609.30 : x
  2. Step 2: Convert to fraction form
    7,448.90/11,211.16 = 5,609.30/x
  3. Step 3: Cross multiply
    7,448.90x = 11,211.16 × 5,609.30
  4. Step 4: Simplify right side
    7,448.90x = 62,886,731.74
  5. Step 5: Solve for x
    x = 62,886,731.74/7,448.90
  6. Step 6: Final answer
    x = 8,442.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.