Home / 4,479.47-6,719.20-1,848.45

Finding the Fourth Proportional to 4,479.47, 6,719.20 and 1,848.45

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Solution

The fourth proportional to 4,479.47, 6,719.20 and 1,848.45 is: 2,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.47 : 6,719.20 = 1,848.45 : x
  2. Step 2: Convert to fraction form
    4,479.47/6,719.20 = 1,848.45/x
  3. Step 3: Cross multiply
    4,479.47x = 6,719.20 × 1,848.45
  4. Step 4: Simplify right side
    4,479.47x = 12,420,125.82
  5. Step 5: Solve for x
    x = 12,420,125.82/4,479.47
  6. Step 6: Final answer
    x = 2,772.68

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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.