Home / 4,712.48-7,070.03-1,425.60

Finding the Fourth Proportional to 4,712.48, 7,070.03 and 1,425.60

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Solution

The fourth proportional to 4,712.48, 7,070.03 and 1,425.60 is: 2,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.48 : 7,070.03 = 1,425.60 : x
  2. Step 2: Convert to fraction form
    4,712.48/7,070.03 = 1,425.60/x
  3. Step 3: Cross multiply
    4,712.48x = 7,070.03 × 1,425.60
  4. Step 4: Simplify right side
    4,712.48x = 10,079,041.01
  5. Step 5: Solve for x
    x = 10,079,041.01/4,712.48
  6. Step 6: Final answer
    x = 2,138.80

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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.