Home / 7,587.25-10,446.57-6,450.68

Finding the Fourth Proportional to 7,587.25, 10,446.57 and 6,450.68

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Solution

The fourth proportional to 7,587.25, 10,446.57 and 6,450.68 is: 8,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.25 : 10,446.57 = 6,450.68 : x
  2. Step 2: Convert to fraction form
    7,587.25/10,446.57 = 6,450.68/x
  3. Step 3: Cross multiply
    7,587.25x = 10,446.57 × 6,450.68
  4. Step 4: Simplify right side
    7,587.25x = 67,387,506.28
  5. Step 5: Solve for x
    x = 67,387,506.28/7,587.25
  6. Step 6: Final answer
    x = 8,881.68

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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.