Home / 4,703.20-7,054.80-4,192.90

Finding the Fourth Proportional to 4,703.20, 7,054.80 and 4,192.90

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Solution

The fourth proportional to 4,703.20, 7,054.80 and 4,192.90 is: 6,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.20 : 7,054.80 = 4,192.90 : x
  2. Step 2: Convert to fraction form
    4,703.20/7,054.80 = 4,192.90/x
  3. Step 3: Cross multiply
    4,703.20x = 7,054.80 × 4,192.90
  4. Step 4: Simplify right side
    4,703.20x = 29,580,070.92
  5. Step 5: Solve for x
    x = 29,580,070.92/4,703.20
  6. Step 6: Final answer
    x = 6,289.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.