Home / 7,720.24-10,655.64-4,534.96

Finding the Fourth Proportional to 7,720.24, 10,655.64 and 4,534.96

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Solution

The fourth proportional to 7,720.24, 10,655.64 and 4,534.96 is: 6,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.24 : 10,655.64 = 4,534.96 : x
  2. Step 2: Convert to fraction form
    7,720.24/10,655.64 = 4,534.96/x
  3. Step 3: Cross multiply
    7,720.24x = 10,655.64 × 4,534.96
  4. Step 4: Simplify right side
    7,720.24x = 48,322,901.17
  5. Step 5: Solve for x
    x = 48,322,901.17/7,720.24
  6. Step 6: Final answer
    x = 6,259.25

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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.