Home / 7,690.08-10,611.44-4,332.64

Finding the Fourth Proportional to 7,690.08, 10,611.44 and 4,332.64

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Solution

The fourth proportional to 7,690.08, 10,611.44 and 4,332.64 is: 5,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.08 : 10,611.44 = 4,332.64 : x
  2. Step 2: Convert to fraction form
    7,690.08/10,611.44 = 4,332.64/x
  3. Step 3: Cross multiply
    7,690.08x = 10,611.44 × 4,332.64
  4. Step 4: Simplify right side
    7,690.08x = 45,975,549.40
  5. Step 5: Solve for x
    x = 45,975,549.40/7,690.08
  6. Step 6: Final answer
    x = 5,978.55

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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.