Home / 7,039.76-10,500.10-6,633.68

Finding the Fourth Proportional to 7,039.76, 10,500.10 and 6,633.68

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Solution

The fourth proportional to 7,039.76, 10,500.10 and 6,633.68 is: 9,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.76 : 10,500.10 = 6,633.68 : x
  2. Step 2: Convert to fraction form
    7,039.76/10,500.10 = 6,633.68/x
  3. Step 3: Cross multiply
    7,039.76x = 10,500.10 × 6,633.68
  4. Step 4: Simplify right side
    7,039.76x = 69,654,303.37
  5. Step 5: Solve for x
    x = 69,654,303.37/7,039.76
  6. Step 6: Final answer
    x = 9,894.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.