Home / 4,970.64-7,451.32-1,681.44

Finding the Fourth Proportional to 4,970.64, 7,451.32 and 1,681.44

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Solution

The fourth proportional to 4,970.64, 7,451.32 and 1,681.44 is: 2,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.64 : 7,451.32 = 1,681.44 : x
  2. Step 2: Convert to fraction form
    4,970.64/7,451.32 = 1,681.44/x
  3. Step 3: Cross multiply
    4,970.64x = 7,451.32 × 1,681.44
  4. Step 4: Simplify right side
    4,970.64x = 12,528,939.09
  5. Step 5: Solve for x
    x = 12,528,939.09/4,970.64
  6. Step 6: Final answer
    x = 2,520.59

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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.