Home / 7,686.16-10,606.48-4,328.88

Finding the Fourth Proportional to 7,686.16, 10,606.48 and 4,328.88

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Solution

The fourth proportional to 7,686.16, 10,606.48 and 4,328.88 is: 5,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.16 : 10,606.48 = 4,328.88 : x
  2. Step 2: Convert to fraction form
    7,686.16/10,606.48 = 4,328.88/x
  3. Step 3: Cross multiply
    7,686.16x = 10,606.48 × 4,328.88
  4. Step 4: Simplify right side
    7,686.16x = 45,914,128.55
  5. Step 5: Solve for x
    x = 45,914,128.55/7,686.16
  6. Step 6: Final answer
    x = 5,973.61

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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.