Home / 7,063.02-9,746.96-3,919.20

Finding the Fourth Proportional to 7,063.02, 9,746.96 and 3,919.20

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Solution

The fourth proportional to 7,063.02, 9,746.96 and 3,919.20 is: 5,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.02 : 9,746.96 = 3,919.20 : x
  2. Step 2: Convert to fraction form
    7,063.02/9,746.96 = 3,919.20/x
  3. Step 3: Cross multiply
    7,063.02x = 9,746.96 × 3,919.20
  4. Step 4: Simplify right side
    7,063.02x = 38,200,266.04
  5. Step 5: Solve for x
    x = 38,200,266.04/7,063.02
  6. Step 6: Final answer
    x = 5,408.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.