Home / 4,319.40-6,464.70-3,973.80

Finding the Fourth Proportional to 4,319.40, 6,464.70 and 3,973.80

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Solution

The fourth proportional to 4,319.40, 6,464.70 and 3,973.80 is: 5,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.40 : 6,464.70 = 3,973.80 : x
  2. Step 2: Convert to fraction form
    4,319.40/6,464.70 = 3,973.80/x
  3. Step 3: Cross multiply
    4,319.40x = 6,464.70 × 3,973.80
  4. Step 4: Simplify right side
    4,319.40x = 25,689,424.86
  5. Step 5: Solve for x
    x = 25,689,424.86/4,319.40
  6. Step 6: Final answer
    x = 5,947.45

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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.