Home / 5,330.16-7,999.52-2,408.72

Finding the Fourth Proportional to 5,330.16, 7,999.52 and 2,408.72

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Solution

The fourth proportional to 5,330.16, 7,999.52 and 2,408.72 is: 3,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.16 : 7,999.52 = 2,408.72 : x
  2. Step 2: Convert to fraction form
    5,330.16/7,999.52 = 2,408.72/x
  3. Step 3: Cross multiply
    5,330.16x = 7,999.52 × 2,408.72
  4. Step 4: Simplify right side
    5,330.16x = 19,268,603.81
  5. Step 5: Solve for x
    x = 19,268,603.81/5,330.16
  6. Step 6: Final answer
    x = 3,615.01

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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.