Home / 4,648.32-6,970.56-3,187.92

Finding the Fourth Proportional to 4,648.32, 6,970.56 and 3,187.92

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Solution

The fourth proportional to 4,648.32, 6,970.56 and 3,187.92 is: 4,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.32 : 6,970.56 = 3,187.92 : x
  2. Step 2: Convert to fraction form
    4,648.32/6,970.56 = 3,187.92/x
  3. Step 3: Cross multiply
    4,648.32x = 6,970.56 × 3,187.92
  4. Step 4: Simplify right side
    4,648.32x = 22,221,587.64
  5. Step 5: Solve for x
    x = 22,221,587.64/4,648.32
  6. Step 6: Final answer
    x = 4,780.56

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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.