Home / 4,899.68-7,349.28-1,938.32

Finding the Fourth Proportional to 4,899.68, 7,349.28 and 1,938.32

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Solution

The fourth proportional to 4,899.68, 7,349.28 and 1,938.32 is: 2,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.68 : 7,349.28 = 1,938.32 : x
  2. Step 2: Convert to fraction form
    4,899.68/7,349.28 = 1,938.32/x
  3. Step 3: Cross multiply
    4,899.68x = 7,349.28 × 1,938.32
  4. Step 4: Simplify right side
    4,899.68x = 14,245,256.41
  5. Step 5: Solve for x
    x = 14,245,256.41/4,899.68
  6. Step 6: Final answer
    x = 2,907.39

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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.