Home / 8,123.60-11,207.16-5,466.39

Finding the Fourth Proportional to 8,123.60, 11,207.16 and 5,466.39

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Solution

The fourth proportional to 8,123.60, 11,207.16 and 5,466.39 is: 7,541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.60 : 11,207.16 = 5,466.39 : x
  2. Step 2: Convert to fraction form
    8,123.60/11,207.16 = 5,466.39/x
  3. Step 3: Cross multiply
    8,123.60x = 11,207.16 × 5,466.39
  4. Step 4: Simplify right side
    8,123.60x = 61,262,707.35
  5. Step 5: Solve for x
    x = 61,262,707.35/8,123.60
  6. Step 6: Final answer
    x = 7,541.33

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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.