Home / 7,734.64-10,681.36-6,609

Finding the Fourth Proportional to 7,734.64, 10,681.36 and 6,609

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Solution

The fourth proportional to 7,734.64, 10,681.36 and 6,609 is: 9,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,734.64 : 10,681.36 = 6,609 : x
  2. Step 2: Convert to fraction form
    7,734.64/10,681.36 = 6,609/x
  3. Step 3: Cross multiply
    7,734.64x = 10,681.36 × 6,609
  4. Step 4: Simplify right side
    7,734.64x = 70,593,108.24
  5. Step 5: Solve for x
    x = 70,593,108.24/7,734.64
  6. Step 6: Final answer
    x = 9,126.88

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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.