Home / 7,613.88-10,500.34-6,341.99

Finding the Fourth Proportional to 7,613.88, 10,500.34 and 6,341.99

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Solution

The fourth proportional to 7,613.88, 10,500.34 and 6,341.99 is: 8,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.88 : 10,500.34 = 6,341.99 : x
  2. Step 2: Convert to fraction form
    7,613.88/10,500.34 = 6,341.99/x
  3. Step 3: Cross multiply
    7,613.88x = 10,500.34 × 6,341.99
  4. Step 4: Simplify right side
    7,613.88x = 66,593,051.28
  5. Step 5: Solve for x
    x = 66,593,051.28/7,613.88
  6. Step 6: Final answer
    x = 8,746.27

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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.