Home / 7,641.60-11,488.32-6,101.28

Finding the Fourth Proportional to 7,641.60, 11,488.32 and 6,101.28

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Solution

The fourth proportional to 7,641.60, 11,488.32 and 6,101.28 is: 9,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.60 : 11,488.32 = 6,101.28 : x
  2. Step 2: Convert to fraction form
    7,641.60/11,488.32 = 6,101.28/x
  3. Step 3: Cross multiply
    7,641.60x = 11,488.32 × 6,101.28
  4. Step 4: Simplify right side
    7,641.60x = 70,093,457.05
  5. Step 5: Solve for x
    x = 70,093,457.05/7,641.60
  6. Step 6: Final answer
    x = 9,172.62

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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.