Home / 8,495.40-11,722.70-5,311.26

Finding the Fourth Proportional to 8,495.40, 11,722.70 and 5,311.26

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Solution

The fourth proportional to 8,495.40, 11,722.70 and 5,311.26 is: 7,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.40 : 11,722.70 = 5,311.26 : x
  2. Step 2: Convert to fraction form
    8,495.40/11,722.70 = 5,311.26/x
  3. Step 3: Cross multiply
    8,495.40x = 11,722.70 × 5,311.26
  4. Step 4: Simplify right side
    8,495.40x = 62,262,307.60
  5. Step 5: Solve for x
    x = 62,262,307.60/8,495.40
  6. Step 6: Final answer
    x = 7,328.94

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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.