Home / 7,906.32-10,909.36-4,548.40

Finding the Fourth Proportional to 7,906.32, 10,909.36 and 4,548.40

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Solution

The fourth proportional to 7,906.32, 10,909.36 and 4,548.40 is: 6,276.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.32 : 10,909.36 = 4,548.40 : x
  2. Step 2: Convert to fraction form
    7,906.32/10,909.36 = 4,548.40/x
  3. Step 3: Cross multiply
    7,906.32x = 10,909.36 × 4,548.40
  4. Step 4: Simplify right side
    7,906.32x = 49,620,133.02
  5. Step 5: Solve for x
    x = 49,620,133.02/7,906.32
  6. Step 6: Final answer
    x = 6,276.01

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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.