Home / 4,712.32-7,065.80-1,424.48

Finding the Fourth Proportional to 4,712.32, 7,065.80 and 1,424.48

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Solution

The fourth proportional to 4,712.32, 7,065.80 and 1,424.48 is: 2,135.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.32 : 7,065.80 = 1,424.48 : x
  2. Step 2: Convert to fraction form
    4,712.32/7,065.80 = 1,424.48/x
  3. Step 3: Cross multiply
    4,712.32x = 7,065.80 × 1,424.48
  4. Step 4: Simplify right side
    4,712.32x = 10,065,090.78
  5. Step 5: Solve for x
    x = 10,065,090.78/4,712.32
  6. Step 6: Final answer
    x = 2,135.91

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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.