Home / 4,703.20-7,052.10-1,415.80

Finding the Fourth Proportional to 4,703.20, 7,052.10 and 1,415.80

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Solution

The fourth proportional to 4,703.20, 7,052.10 and 1,415.80 is: 2,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.20 : 7,052.10 = 1,415.80 : x
  2. Step 2: Convert to fraction form
    4,703.20/7,052.10 = 1,415.80/x
  3. Step 3: Cross multiply
    4,703.20x = 7,052.10 × 1,415.80
  4. Step 4: Simplify right side
    4,703.20x = 9,984,363.18
  5. Step 5: Solve for x
    x = 9,984,363.18/4,703.20
  6. Step 6: Final answer
    x = 2,122.89

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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.