Home / 6,900.48-10,366.64-3,985.92

Finding the Fourth Proportional to 6,900.48, 10,366.64 and 3,985.92

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Solution

The fourth proportional to 6,900.48, 10,366.64 and 3,985.92 is: 5,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.48 : 10,366.64 = 3,985.92 : x
  2. Step 2: Convert to fraction form
    6,900.48/10,366.64 = 3,985.92/x
  3. Step 3: Cross multiply
    6,900.48x = 10,366.64 × 3,985.92
  4. Step 4: Simplify right side
    6,900.48x = 41,320,597.71
  5. Step 5: Solve for x
    x = 41,320,597.71/6,900.48
  6. Step 6: Final answer
    x = 5,988.08

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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.