Home / 7,720.52-10,655.70-6,061.64

Finding the Fourth Proportional to 7,720.52, 10,655.70 and 6,061.64

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Solution

The fourth proportional to 7,720.52, 10,655.70 and 6,061.64 is: 8,366.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.52 : 10,655.70 = 6,061.64 : x
  2. Step 2: Convert to fraction form
    7,720.52/10,655.70 = 6,061.64/x
  3. Step 3: Cross multiply
    7,720.52x = 10,655.70 × 6,061.64
  4. Step 4: Simplify right side
    7,720.52x = 64,591,017.35
  5. Step 5: Solve for x
    x = 64,591,017.35/7,720.52
  6. Step 6: Final answer
    x = 8,366.15

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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.