Home / 7,685.98-10,606.68-4,328.86

Finding the Fourth Proportional to 7,685.98, 10,606.68 and 4,328.86

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Solution

The fourth proportional to 7,685.98, 10,606.68 and 4,328.86 is: 5,973.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.98 : 10,606.68 = 4,328.86 : x
  2. Step 2: Convert to fraction form
    7,685.98/10,606.68 = 4,328.86/x
  3. Step 3: Cross multiply
    7,685.98x = 10,606.68 × 4,328.86
  4. Step 4: Simplify right side
    7,685.98x = 45,914,799.67
  5. Step 5: Solve for x
    x = 45,914,799.67/7,685.98
  6. Step 6: Final answer
    x = 5,973.84

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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.